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_test4_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-20 22:21:32,130 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-20 22:21:32,131 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-20 22:21:32,146 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-20 22:21:32,146 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-20 22:21:32,146 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-20 22:21:32,147 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-20 22:21:32,148 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-20 22:21:32,150 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-20 22:21:32,150 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-20 22:21:32,151 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-20 22:21:32,151 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-20 22:21:32,152 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-20 22:21:32,153 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-20 22:21:32,154 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-20 22:21:32,157 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-20 22:21:32,159 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-20 22:21:32,161 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-20 22:21:32,162 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-20 22:21:32,164 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-20 22:21:32,166 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-20 22:21:32,173 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 [2018-01-20 22:21:32,183 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-20 22:21:32,183 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-20 22:21:32,184 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-20 22:21:32,184 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-20 22:21:32,184 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-20 22:21:32,185 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-20 22:21:32,185 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-20 22:21:32,185 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-20 22:21:32,186 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-20 22:21:32,186 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-20 22:21:32,186 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-20 22:21:32,186 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-20 22:21:32,187 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-20 22:21:32,187 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-20 22:21:32,187 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-20 22:21:32,187 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-20 22:21:32,187 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-20 22:21:32,188 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-20 22:21:32,188 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-20 22:21:32,188 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-20 22:21:32,188 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-20 22:21:32,188 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-20 22:21:32,189 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-20 22:21:32,189 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-20 22:21:32,189 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-20 22:21:32,189 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-20 22:21:32,190 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-20 22:21:32,190 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-20 22:21:32,190 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-20 22:21:32,190 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-20 22:21:32,190 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-20 22:21:32,190 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-20 22:21:32,191 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-20 22:21:32,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-20 22:21:32,191 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-20 22:21:32,192 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-20 22:21:32,192 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-20 22:21:32,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-20 22:21:32,243 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-20 22:21:32,247 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-20 22:21:32,249 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-20 22:21:32,249 INFO L276 PluginConnector]: CDTParser initialized [2018-01-20 22:21:32,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test4_false-valid-memtrack_true-termination.i [2018-01-20 22:21:32,448 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-20 22:21:32,455 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-20 22:21:32,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-20 22:21:32,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-20 22:21:32,464 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-20 22:21:32,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 10:21:32" (1/1) ... [2018-01-20 22:21:32,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4b3da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:32, skipping insertion in model container [2018-01-20 22:21:32,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 10:21:32" (1/1) ... [2018-01-20 22:21:32,491 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 22:21:32,545 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 22:21:32,653 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 22:21:32,665 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 22:21:32,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:32 WrapperNode [2018-01-20 22:21:32,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-20 22:21:32,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-20 22:21:32,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-20 22:21:32,673 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-20 22:21:32,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:32" (1/1) ... [2018-01-20 22:21:32,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:32" (1/1) ... [2018-01-20 22:21:32,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:32" (1/1) ... [2018-01-20 22:21:32,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:32" (1/1) ... [2018-01-20 22:21:32,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:32" (1/1) ... [2018-01-20 22:21:32,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:32" (1/1) ... [2018-01-20 22:21:32,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:32" (1/1) ... [2018-01-20 22:21:32,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-20 22:21:32,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-20 22:21:32,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-20 22:21:32,708 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-20 22:21:32,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:32" (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 [2018-01-20 22:21:32,763 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-20 22:21:32,763 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-20 22:21:32,763 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-20 22:21:32,763 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-20 22:21:32,763 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-20 22:21:32,764 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-20 22:21:32,764 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-20 22:21:32,764 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-20 22:21:32,764 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-20 22:21:32,764 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-20 22:21:32,764 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-20 22:21:32,764 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-20 22:21:32,764 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-20 22:21:32,764 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-20 22:21:32,764 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-20 22:21:32,765 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-20 22:21:32,918 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-20 22:21:32,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 10:21:32 BoogieIcfgContainer [2018-01-20 22:21:32,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-20 22:21:32,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-20 22:21:32,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-20 22:21:32,921 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-20 22:21:32,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 10:21:32" (1/3) ... [2018-01-20 22:21:32,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cff48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 10:21:32, skipping insertion in model container [2018-01-20 22:21:32,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:32" (2/3) ... [2018-01-20 22:21:32,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cff48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 10:21:32, skipping insertion in model container [2018-01-20 22:21:32,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 10:21:32" (3/3) ... [2018-01-20 22:21:32,924 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test4_false-valid-memtrack_true-termination.i [2018-01-20 22:21:32,931 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-20 22:21:32,937 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-01-20 22:21:32,987 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:21:32,987 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:21:32,987 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:21:32,987 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:21:32,987 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:21:32,987 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:21:32,987 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:21:32,988 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_mallocErr0EnsuresViolation======== [2018-01-20 22:21:32,989 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:21:33,004 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-01-20 22:21:33,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-20 22:21:33,009 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:21:33,010 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:21:33,010 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-20 22:21:33,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1896184799, now seen corresponding path program 1 times [2018-01-20 22:21:33,018 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:21:33,019 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:21:33,071 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:33,071 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:33,071 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:21:33,119 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:21:33,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:21:33,188 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:21:33,189 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:21:33,191 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:21:33,201 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:21:33,202 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:21:33,204 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2018-01-20 22:21:33,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:21:33,310 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2018-01-20 22:21:33,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:21:33,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-01-20 22:21:33,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:21:33,320 INFO L225 Difference]: With dead ends: 33 [2018-01-20 22:21:33,320 INFO L226 Difference]: Without dead ends: 18 [2018-01-20 22:21:33,324 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 [2018-01-20 22:21:33,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-01-20 22:21:33,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-01-20 22:21:33,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-01-20 22:21:33,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2018-01-20 22:21:33,418 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 10 [2018-01-20 22:21:33,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:21:33,418 INFO L432 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2018-01-20 22:21:33,418 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:21:33,418 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-01-20 22:21:33,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-01-20 22:21:33,419 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:21:33,419 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:21:33,419 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-20 22:21:33,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1167365281, now seen corresponding path program 1 times [2018-01-20 22:21:33,419 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:21:33,420 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:21:33,421 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:33,422 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:33,422 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:21:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:21:33,487 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 22:21:33,496 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:21:33,497 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:21:33,507 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:21:33,507 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:21:33,507 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:21:33,507 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:21:33,507 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:21:33,507 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:21:33,507 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:21:33,507 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-20 22:21:33,507 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:21:33,509 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-01-20 22:21:33,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-20 22:21:33,509 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:21:33,509 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-20 22:21:33,509 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-20 22:21:33,510 INFO L82 PathProgramCache]: Analyzing trace with hash 60833, now seen corresponding path program 1 times [2018-01-20 22:21:33,510 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:21:33,510 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:21:33,511 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:33,512 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:33,512 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:21:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:21:33,523 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 22:21:33,524 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:21:33,526 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:21:33,526 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:21:33,527 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:21:33,527 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:21:33,527 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:21:33,527 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:21:33,527 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:21:33,527 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-20 22:21:33,527 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:21:33,529 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-01-20 22:21:33,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-20 22:21:33,530 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:21:33,530 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:21:33,530 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:21:33,531 INFO L82 PathProgramCache]: Analyzing trace with hash 930921797, now seen corresponding path program 1 times [2018-01-20 22:21:33,531 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:21:33,531 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:21:33,533 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:33,533 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:33,533 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:21:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:21:33,558 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 22:21:33,560 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:21:33,561 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:21:33,561 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:21:33,561 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:21:33,561 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:21:33,563 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:21:33,564 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:21:33,564 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:21:33,564 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:21:33,564 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:21:33,564 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:21:33,564 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:21:33,564 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-20 22:21:33,564 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:21:33,565 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-01-20 22:21:33,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-20 22:21:33,566 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:21:33,566 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:21:33,566 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-20 22:21:33,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1692884166, now seen corresponding path program 1 times [2018-01-20 22:21:33,566 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:21:33,566 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:21:33,568 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:33,568 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:33,568 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:21:33,579 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:21:33,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:21:33,622 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:21:33,623 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:21:33,623 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:21:33,623 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:21:33,624 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:21:33,624 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2018-01-20 22:21:33,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:21:33,693 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2018-01-20 22:21:33,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:21:33,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-01-20 22:21:33,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:21:33,694 INFO L225 Difference]: With dead ends: 33 [2018-01-20 22:21:33,695 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:21:33,695 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 [2018-01-20 22:21:33,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:21:33,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:21:33,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:21:33,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:21:33,696 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-01-20 22:21:33,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:21:33,696 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:21:33,696 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:21:33,696 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:21:33,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:21:33,698 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:21:33,699 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:21:33,699 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:21:33,699 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:21:33,699 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:21:33,699 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:21:33,699 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:21:33,699 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == entry_pointErr0EnsuresViolation======== [2018-01-20 22:21:33,699 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:21:33,701 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-01-20 22:21:33,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-20 22:21:33,702 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:21:33,702 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:21:33,702 INFO L371 AbstractCegarLoop]: === Iteration 1 === [entry_pointErr0EnsuresViolation]=== [2018-01-20 22:21:33,702 INFO L82 PathProgramCache]: Analyzing trace with hash 941254126, now seen corresponding path program 1 times [2018-01-20 22:21:33,702 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:21:33,703 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:21:33,704 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:33,704 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:33,704 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:21:33,715 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:21:33,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:21:33,744 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:21:33,744 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:21:33,745 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:21:33,745 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:21:33,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:21:33,745 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2018-01-20 22:21:33,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:21:33,792 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2018-01-20 22:21:33,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:21:33,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-01-20 22:21:33,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:21:33,830 INFO L225 Difference]: With dead ends: 33 [2018-01-20 22:21:33,830 INFO L226 Difference]: Without dead ends: 21 [2018-01-20 22:21:33,831 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 [2018-01-20 22:21:33,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-01-20 22:21:33,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2018-01-20 22:21:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-01-20 22:21:33,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2018-01-20 22:21:33,836 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 14 [2018-01-20 22:21:33,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:21:33,838 INFO L432 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2018-01-20 22:21:33,838 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:21:33,838 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-01-20 22:21:33,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-20 22:21:33,840 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:21:33,840 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:21:33,840 INFO L371 AbstractCegarLoop]: === Iteration 2 === [entry_pointErr0EnsuresViolation]=== [2018-01-20 22:21:33,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1929848902, now seen corresponding path program 1 times [2018-01-20 22:21:33,841 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:21:33,841 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:21:33,842 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:33,842 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:33,843 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:21:33,856 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:21:33,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-20 22:21:33,942 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:21:33,942 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 [2018-01-20 22:21:33,956 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:21:33,991 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:21:34,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-20 22:21:34,108 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-20 22:21:34,109 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2018-01-20 22:21:34,109 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-20 22:21:34,109 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-20 22:21:34,110 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-01-20 22:21:34,110 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 9 states. [2018-01-20 22:21:34,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:21:34,247 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2018-01-20 22:21:34,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-20 22:21:34,248 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-01-20 22:21:34,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:21:34,248 INFO L225 Difference]: With dead ends: 38 [2018-01-20 22:21:34,249 INFO L226 Difference]: Without dead ends: 20 [2018-01-20 22:21:34,249 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-01-20 22:21:34,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-01-20 22:21:34,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-01-20 22:21:34,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-01-20 22:21:34,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2018-01-20 22:21:34,253 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 21 [2018-01-20 22:21:34,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:21:34,253 INFO L432 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2018-01-20 22:21:34,253 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-20 22:21:34,254 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-01-20 22:21:34,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-20 22:21:34,254 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:21:34,254 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:21:34,255 INFO L371 AbstractCegarLoop]: === Iteration 3 === [entry_pointErr0EnsuresViolation]=== [2018-01-20 22:21:34,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1580264506, now seen corresponding path program 1 times [2018-01-20 22:21:34,255 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:21:34,255 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:21:34,256 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:34,256 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:34,256 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:21:34,272 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:21:34,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:21:34,327 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:21:34,327 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 [2018-01-20 22:21:34,333 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:21:34,368 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:21:34,395 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 [2018-01-20 22:21:34,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-01-20 22:21:34,436 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-20 22:21:34,437 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2018-01-20 22:21:34,437 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-20 22:21:34,437 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-20 22:21:34,438 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2018-01-20 22:21:34,438 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 5 states. [2018-01-20 22:21:34,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:21:34,482 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-01-20 22:21:34,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-20 22:21:34,482 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-01-20 22:21:34,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:21:34,483 INFO L225 Difference]: With dead ends: 25 [2018-01-20 22:21:34,483 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:21:34,484 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=13, Unknown=1, NotChecked=6, Total=30 [2018-01-20 22:21:34,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:21:34,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:21:34,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:21:34,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:21:34,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-01-20 22:21:34,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:21:34,485 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:21:34,485 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-20 22:21:34,486 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:21:34,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:21:34,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 10:21:34 BoogieIcfgContainer [2018-01-20 22:21:34,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-20 22:21:34,490 INFO L168 Benchmark]: Toolchain (without parser) took 2040.75 ms. Allocated memory was 307.2 MB in the beginning and 468.2 MB in the end (delta: 161.0 MB). Free memory was 264.5 MB in the beginning and 350.3 MB in the end (delta: -85.8 MB). Peak memory consumption was 75.2 MB. Max. memory is 5.3 GB. [2018-01-20 22:21:34,492 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 307.2 MB. Free memory is still 271.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 22:21:34,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.01 ms. Allocated memory is still 307.2 MB. Free memory was 264.5 MB in the beginning and 252.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 5.3 GB. [2018-01-20 22:21:34,493 INFO L168 Benchmark]: Boogie Preprocessor took 35.16 ms. Allocated memory is still 307.2 MB. Free memory was 252.3 MB in the beginning and 250.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-20 22:21:34,493 INFO L168 Benchmark]: RCFGBuilder took 210.66 ms. Allocated memory is still 307.2 MB. Free memory was 250.3 MB in the beginning and 236.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 5.3 GB. [2018-01-20 22:21:34,493 INFO L168 Benchmark]: TraceAbstraction took 1569.47 ms. Allocated memory was 307.2 MB in the beginning and 468.2 MB in the end (delta: 161.0 MB). Free memory was 236.8 MB in the beginning and 350.3 MB in the end (delta: -113.5 MB). Peak memory consumption was 47.4 MB. Max. memory is 5.3 GB. [2018-01-20 22:21:34,495 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 307.2 MB. Free memory is still 271.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 216.01 ms. Allocated memory is still 307.2 MB. Free memory was 264.5 MB in the beginning and 252.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 35.16 ms. Allocated memory is still 307.2 MB. Free memory was 252.3 MB in the beginning and 250.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 210.66 ms. Allocated memory is still 307.2 MB. Free memory was 250.3 MB in the beginning and 236.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1569.47 ms. Allocated memory was 307.2 MB in the beginning and 468.2 MB in the end (delta: 161.0 MB). Free memory was 236.8 MB in the beginning and 350.3 MB in the end (delta: -113.5 MB). Peak memory consumption was 47.4 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: [L1444] CALL entry_point() [L1435] CALL ldv_malloc(sizeof(int)) VAL [\old(size)=4] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) VAL [\old(size)=4, malloc(size)={6:0}, size=4] [L1074] return malloc(size); VAL [\old(size)=4, \result={6:0}, malloc(size)={6:0}, size=4] - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_mallocErr0EnsuresViolation CFG has 5 procedures, 29 locations, 5 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21 SDtfs, 8 SDslu, 1 SDs, 0 SdLazy, 18 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=29occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 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, 29 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=29occurred 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: [L1444] CALL entry_point() [L1435] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4] [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1076] RET return 0; VAL [\old(size)=4, \result={0:0}, size=4] [L1435] EXPR ldv_malloc(sizeof(int)) VAL [ldv_malloc(sizeof(int))={0:0}] [L1435] int *p = (int *)ldv_malloc(sizeof(int)); [L1436] COND FALSE, RET !(\read(*p)) VAL [p={0:0}] [L1444] entry_point() - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 5 procedures, 29 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=29occurred 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, 18 NumberOfCodeBlocks, 18 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: 1443]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 5 procedures, 29 locations, 5 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21 SDtfs, 4 SDslu, 1 SDs, 0 SdLazy, 18 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=29occurred 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, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 555 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1434]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: entry_pointErr0EnsuresViolation CFG has 5 procedures, 29 locations, 5 error locations. SAFE Result, 0.7s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 43 SDtfs, 7 SDslu, 55 SDs, 0 SdLazy, 117 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 101 ConstructedInterpolants, 2 QuantifiedInterpolants, 4737 SizeOfPredicates, 4 NumberOfNonLiveVariables, 186 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 12/20 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_test4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-20_22-21-34-506.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-20_22-21-34-506.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-20_22-21-34-506.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-20_22-21-34-506.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-20_22-21-34-506.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-20_22-21-34-506.csv Received shutdown request...