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_Camel+AI_EQ.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test18_2_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 14:47:04,151 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 14:47:04,153 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 14:47:04,166 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 14:47:04,167 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 14:47:04,167 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 14:47:04,169 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 14:47:04,170 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 14:47:04,173 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 14:47:04,173 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 14:47:04,174 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 14:47:04,174 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 14:47:04,175 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 14:47:04,176 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 14:47:04,176 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 14:47:04,179 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 14:47:04,181 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 14:47:04,183 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 14:47:04,184 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 14:47:04,186 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 14:47:04,188 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-23 14:47:04,188 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-23 14:47:04,188 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-23 14:47:04,189 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-23 14:47:04,190 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-23 14:47:04,191 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-23 14:47:04,192 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-23 14:47:04,192 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-23 14:47:04,193 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-23 14:47:04,193 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 14:47:04,193 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 14:47:04,194 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf [2018-01-23 14:47:04,204 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 14:47:04,204 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 14:47:04,205 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 14:47:04,205 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 14:47:04,205 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 14:47:04,206 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 14:47:04,206 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 14:47:04,207 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 14:47:04,207 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 14:47:04,207 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 14:47:04,207 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 14:47:04,207 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 14:47:04,208 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 14:47:04,208 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 14:47:04,208 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 14:47:04,208 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 14:47:04,208 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 14:47:04,209 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 14:47:04,209 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 14:47:04,209 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 14:47:04,209 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 14:47:04,209 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 14:47:04,210 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 14:47:04,210 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 14:47:04,210 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 14:47:04,210 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 14:47:04,211 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 14:47:04,211 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 14:47:04,211 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 14:47:04,211 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 14:47:04,211 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 14:47:04,211 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 14:47:04,212 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 14:47:04,212 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 14:47:04,212 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 14:47:04,213 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 14:47:04,213 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 14:47:04,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 14:47:04,262 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 14:47:04,266 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 14:47:04,267 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 14:47:04,268 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 14:47:04,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test18_2_false-valid-memtrack_true-termination.i [2018-01-23 14:47:04,485 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 14:47:04,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 14:47:04,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 14:47:04,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 14:47:04,497 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 14:47:04,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:47:04" (1/1) ... [2018-01-23 14:47:04,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6deb0036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:04, skipping insertion in model container [2018-01-23 14:47:04,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:47:04" (1/1) ... [2018-01-23 14:47:04,513 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:47:04,562 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:47:04,671 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:47:04,688 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:47:04,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:04 WrapperNode [2018-01-23 14:47:04,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 14:47:04,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 14:47:04,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 14:47:04,696 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 14:47:04,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:04" (1/1) ... [2018-01-23 14:47:04,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:04" (1/1) ... [2018-01-23 14:47:04,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:04" (1/1) ... [2018-01-23 14:47:04,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:04" (1/1) ... [2018-01-23 14:47:04,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:04" (1/1) ... [2018-01-23 14:47:04,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:04" (1/1) ... [2018-01-23 14:47:04,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:04" (1/1) ... [2018-01-23 14:47:04,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 14:47:04,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 14:47:04,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 14:47:04,733 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 14:47:04,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:04" (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 [2018-01-23 14:47:04,785 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 14:47:04,785 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 14:47:04,786 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-23 14:47:04,786 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-23 14:47:04,786 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 14:47:04,786 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-23 14:47:04,786 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-23 14:47:04,786 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 14:47:04,787 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 14:47:04,787 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 14:47:04,787 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-23 14:47:04,787 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-23 14:47:04,787 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 14:47:04,787 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-23 14:47:04,788 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-23 14:47:04,788 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 14:47:04,788 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 14:47:04,788 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 14:47:04,991 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 14:47:04,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:47:04 BoogieIcfgContainer [2018-01-23 14:47:04,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 14:47:04,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-23 14:47:04,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-23 14:47:04,994 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-23 14:47:04,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 02:47:04" (1/3) ... [2018-01-23 14:47:04,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f9b92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:47:04, skipping insertion in model container [2018-01-23 14:47:04,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:04" (2/3) ... [2018-01-23 14:47:04,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f9b92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:47:04, skipping insertion in model container [2018-01-23 14:47:04,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:47:04" (3/3) ... [2018-01-23 14:47:04,997 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test18_2_false-valid-memtrack_true-termination.i [2018-01-23 14:47:05,004 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-23 14:47:05,011 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-01-23 14:47:05,056 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:05,056 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:05,056 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:05,057 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:05,057 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:05,057 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:05,057 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:05,057 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_mallocErr0EnsuresViolation======== [2018-01-23 14:47:05,058 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:05,078 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-23 14:47:05,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-23 14:47:05,084 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:05,084 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:05,085 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-23 14:47:05,089 INFO L82 PathProgramCache]: Analyzing trace with hash 301069136, now seen corresponding path program 1 times [2018-01-23 14:47:05,090 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:05,091 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:05,138 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:05,139 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:05,139 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:05,194 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:05,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:47:05,250 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:47:05,250 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:47:05,251 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:47:05,262 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:47:05,263 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:47:05,265 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 3 states. [2018-01-23 14:47:05,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:05,442 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2018-01-23 14:47:05,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:47:05,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-01-23 14:47:05,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:05,454 INFO L225 Difference]: With dead ends: 59 [2018-01-23 14:47:05,455 INFO L226 Difference]: Without dead ends: 25 [2018-01-23 14:47:05,458 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 [2018-01-23 14:47:05,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-01-23 14:47:05,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-01-23 14:47:05,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-01-23 14:47:05,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2018-01-23 14:47:05,501 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 11 [2018-01-23 14:47:05,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:05,502 INFO L432 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2018-01-23 14:47:05,502 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:47:05,502 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-01-23 14:47:05,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-23 14:47:05,504 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:05,504 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:05,504 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-23 14:47:05,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1564537906, now seen corresponding path program 1 times [2018-01-23 14:47:05,504 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:05,505 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:05,506 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:05,506 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:05,507 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:47:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:47:05,567 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:47:05,575 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:05,576 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:05,586 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:05,586 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:05,586 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:05,586 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:05,587 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:05,587 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:05,587 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:05,587 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-23 14:47:05,587 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:05,589 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-23 14:47:05,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-23 14:47:05,590 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:05,590 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-23 14:47:05,590 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-23 14:47:05,590 INFO L82 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 1 times [2018-01-23 14:47:05,590 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:05,591 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:05,592 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:05,593 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:05,593 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:47:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:47:05,604 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:47:05,605 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:05,607 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:05,607 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:05,608 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:05,608 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:05,608 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:05,608 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:05,608 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:05,608 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-23 14:47:05,608 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:05,609 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-23 14:47:05,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-23 14:47:05,610 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:05,610 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:05,610 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:47:05,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1578256570, now seen corresponding path program 1 times [2018-01-23 14:47:05,611 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:05,611 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:05,612 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:05,612 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:05,612 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:47:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:47:05,643 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:47:05,645 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:05,646 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:05,646 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:05,647 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:05,647 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:05,651 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:05,651 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:05,651 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:05,651 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:05,651 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:05,652 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:05,652 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:05,652 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-23 14:47:05,652 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:05,653 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-23 14:47:05,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-23 14:47:05,655 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:05,655 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:05,655 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-23 14:47:05,655 INFO L82 PathProgramCache]: Analyzing trace with hash 2036344255, now seen corresponding path program 1 times [2018-01-23 14:47:05,655 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:05,656 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:05,657 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:05,658 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:05,658 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:05,671 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:47:05,715 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:47:05,715 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:47:05,716 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:47:05,716 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:47:05,716 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:47:05,717 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 3 states. [2018-01-23 14:47:05,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:05,776 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2018-01-23 14:47:05,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:47:05,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-01-23 14:47:05,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:05,777 INFO L225 Difference]: With dead ends: 59 [2018-01-23 14:47:05,777 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:47:05,778 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 [2018-01-23 14:47:05,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:47:05,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:47:05,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:47:05,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:47:05,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-01-23 14:47:05,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:05,779 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:47:05,779 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:47:05,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:47:05,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:47:05,782 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:05,783 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:05,783 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:05,783 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:05,783 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:05,783 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:05,783 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:05,783 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == entry_pointErr0EnsuresViolation======== [2018-01-23 14:47:05,783 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:05,785 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-23 14:47:05,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-23 14:47:05,786 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:05,786 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:05,786 INFO L371 AbstractCegarLoop]: === Iteration 1 === [entry_pointErr0EnsuresViolation]=== [2018-01-23 14:47:05,786 INFO L82 PathProgramCache]: Analyzing trace with hash 373068292, now seen corresponding path program 1 times [2018-01-23 14:47:05,786 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:05,787 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:05,788 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:05,788 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:05,788 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:05,800 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:05,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:47:05,825 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:47:05,825 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:47:05,825 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:47:05,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:47:05,825 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:47:05,826 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 3 states. [2018-01-23 14:47:05,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:05,875 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2018-01-23 14:47:05,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:47:05,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-01-23 14:47:05,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:05,876 INFO L225 Difference]: With dead ends: 59 [2018-01-23 14:47:05,877 INFO L226 Difference]: Without dead ends: 39 [2018-01-23 14:47:05,877 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 [2018-01-23 14:47:05,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-01-23 14:47:05,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2018-01-23 14:47:05,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-01-23 14:47:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2018-01-23 14:47:05,882 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 15 [2018-01-23 14:47:05,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:05,883 INFO L432 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2018-01-23 14:47:05,884 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:47:05,884 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2018-01-23 14:47:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-01-23 14:47:05,884 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:05,885 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:05,885 INFO L371 AbstractCegarLoop]: === Iteration 2 === [entry_pointErr0EnsuresViolation]=== [2018-01-23 14:47:05,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1523871265, now seen corresponding path program 1 times [2018-01-23 14:47:05,885 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:05,885 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:05,887 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:05,887 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:05,887 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:05,900 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:05,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-23 14:47:05,957 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:47:05,958 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:47:05,966 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:05,999 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:47:06,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-23 14:47:06,071 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:47:06,071 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2018-01-23 14:47:06,072 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-23 14:47:06,072 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-23 14:47:06,072 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-01-23 14:47:06,072 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 9 states. [2018-01-23 14:47:06,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:06,113 INFO L93 Difference]: Finished difference Result 60 states and 66 transitions. [2018-01-23 14:47:06,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:47:06,113 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-01-23 14:47:06,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:06,116 INFO L225 Difference]: With dead ends: 60 [2018-01-23 14:47:06,116 INFO L226 Difference]: Without dead ends: 35 [2018-01-23 14:47:06,117 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-01-23 14:47:06,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-01-23 14:47:06,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-01-23 14:47:06,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-01-23 14:47:06,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2018-01-23 14:47:06,124 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 28 [2018-01-23 14:47:06,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:06,125 INFO L432 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2018-01-23 14:47:06,125 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-23 14:47:06,125 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-01-23 14:47:06,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-23 14:47:06,126 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:06,126 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:06,127 INFO L371 AbstractCegarLoop]: === Iteration 3 === [entry_pointErr0EnsuresViolation]=== [2018-01-23 14:47:06,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1070658177, now seen corresponding path program 1 times [2018-01-23 14:47:06,127 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:06,127 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:06,129 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:06,129 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:06,129 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:06,144 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:06,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:47:06,190 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:47:06,206 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:47:06,213 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:06,236 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:47:06,250 WARN L1029 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc1.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |ldv_malloc_#t~malloc1.base| 1)) (<= (select |c_old(#valid)| |ldv_malloc_#t~malloc1.base|) 0))) is different from true [2018-01-23 14:47:06,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-01-23 14:47:06,286 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-23 14:47:06,287 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2018-01-23 14:47:06,287 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-23 14:47:06,287 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-23 14:47:06,287 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2018-01-23 14:47:06,288 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 5 states. [2018-01-23 14:47:06,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:06,334 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2018-01-23 14:47:06,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:47:06,335 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-01-23 14:47:06,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:06,336 INFO L225 Difference]: With dead ends: 42 [2018-01-23 14:47:06,336 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:47:06,336 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=13, Unknown=1, NotChecked=6, Total=30 [2018-01-23 14:47:06,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:47:06,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:47:06,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:47:06,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:47:06,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-23 14:47:06,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:06,338 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:47:06,338 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-23 14:47:06,338 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:47:06,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:47:06,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.01 02:47:06 BoogieIcfgContainer [2018-01-23 14:47:06,341 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-23 14:47:06,342 INFO L168 Benchmark]: Toolchain (without parser) took 1856.72 ms. Allocated memory was 302.5 MB in the beginning and 460.8 MB in the end (delta: 158.3 MB). Free memory was 259.8 MB in the beginning and 343.0 MB in the end (delta: -83.2 MB). Peak memory consumption was 75.1 MB. Max. memory is 5.3 GB. [2018-01-23 14:47:06,344 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 302.5 MB. Free memory is still 265.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 14:47:06,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.53 ms. Allocated memory is still 302.5 MB. Free memory was 259.8 MB in the beginning and 245.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:47:06,345 INFO L168 Benchmark]: Boogie Preprocessor took 36.59 ms. Allocated memory is still 302.5 MB. Free memory was 245.9 MB in the beginning and 243.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:47:06,345 INFO L168 Benchmark]: RCFGBuilder took 258.93 ms. Allocated memory is still 302.5 MB. Free memory was 243.9 MB in the beginning and 227.3 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. [2018-01-23 14:47:06,345 INFO L168 Benchmark]: TraceAbstraction took 1349.13 ms. Allocated memory was 302.5 MB in the beginning and 460.8 MB in the end (delta: 158.3 MB). Free memory was 227.3 MB in the beginning and 343.0 MB in the end (delta: -115.8 MB). Peak memory consumption was 42.6 MB. Max. memory is 5.3 GB. [2018-01-23 14:47:06,347 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 302.5 MB. Free memory is still 265.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 203.53 ms. Allocated memory is still 302.5 MB. Free memory was 259.8 MB in the beginning and 245.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.59 ms. Allocated memory is still 302.5 MB. Free memory was 245.9 MB in the beginning and 243.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 258.93 ms. Allocated memory is still 302.5 MB. Free memory was 243.9 MB in the beginning and 227.3 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1349.13 ms. Allocated memory was 302.5 MB in the beginning and 460.8 MB in the end (delta: 158.3 MB). Free memory was 227.3 MB in the beginning and 343.0 MB in the end (delta: -115.8 MB). Peak memory consumption was 42.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - 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: [L1461] CALL entry_point() [L1439] int len = 10; VAL [len=10] [L1440] CALL ldv_malloc(sizeof(struct A18*)*len) VAL [\old(size)=40] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) VAL [\old(size)=40, malloc(size)={42:0}, size=40] [L1074] return malloc(size); VAL [\old(size)=40, \result={42:0}, malloc(size)={42:0}, size=40] - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_mallocErr0EnsuresViolation CFG has 5 procedures, 42 locations, 5 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 21 SDslu, 7 SDs, 0 SdLazy, 20 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=42occurred 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 5 procedures, 42 locations, 5 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=42occurred 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: [L1461] CALL entry_point() [L1439] int len = 10; VAL [len=10] [L1440] CALL, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [\old(size)=40] [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1076] RET return 0; VAL [\old(size)=40, \result={0:0}, size=40] [L1440] EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [ldv_malloc(sizeof(struct A18*)*len)={0:0}, len=10] [L1440] struct A18 **array = (struct A18 **)ldv_malloc(sizeof(struct A18*)*len); [L1441] struct A18 *p; [L1442] int i=0; [L1443] int j; VAL [array={0:0}, i=0, len=10] [L1444] COND TRUE, RET !array VAL [array={0:0}, i=0, len=10] [L1461] entry_point() - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 5 procedures, 42 locations, 5 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=42occurred 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, 19 NumberOfCodeBlocks, 19 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: 1460]: 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 5 procedures, 42 locations, 5 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 16 SDslu, 7 SDs, 0 SdLazy, 20 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=42occurred 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, 640 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 5 procedures, 42 locations, 5 error locations. SAFE Result, 0.5s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 82 SDtfs, 20 SDslu, 241 SDs, 0 SdLazy, 56 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 126 ConstructedInterpolants, 2 QuantifiedInterpolants, 6399 SizeOfPredicates, 4 NumberOfNonLiveVariables, 224 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 8/16 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_test18_2_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-23_14-47-06-359.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test18_2_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-23_14-47-06-359.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test18_2_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-23_14-47-06-359.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test18_2_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-23_14-47-06-359.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test18_2_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-23_14-47-06-359.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test18_2_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-23_14-47-06-359.csv Received shutdown request...