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 0.1.23-2f49842 [2018-01-20 22:21:16,785 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-20 22:21:16,787 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-20 22:21:16,801 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-20 22:21:16,801 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-20 22:21:16,802 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-20 22:21:16,803 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-20 22:21:16,805 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-20 22:21:16,806 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-20 22:21:16,807 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-20 22:21:16,807 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-20 22:21:16,807 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-20 22:21:16,808 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-20 22:21:16,809 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-20 22:21:16,810 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-20 22:21:16,812 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-20 22:21:16,814 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-20 22:21:16,816 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-20 22:21:16,818 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-20 22:21:16,819 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-20 22:21:16,821 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-20 22:21:16,827 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-20 22:21:16,828 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-20 22:21:16,828 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 22:21:16,838 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-20 22:21:16,838 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-20 22:21:16,839 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-20 22:21:16,839 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-20 22:21:16,839 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-20 22:21:16,839 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-20 22:21:16,840 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-20 22:21:16,840 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-20 22:21:16,841 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-20 22:21:16,841 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-20 22:21:16,841 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-20 22:21:16,841 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-20 22:21:16,841 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-20 22:21:16,841 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-20 22:21:16,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-20 22:21:16,842 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-20 22:21:16,842 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-20 22:21:16,842 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-20 22:21:16,842 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-20 22:21:16,843 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-20 22:21:16,843 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-20 22:21:16,843 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-20 22:21:16,843 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-20 22:21:16,843 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-20 22:21:16,844 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-20 22:21:16,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-20 22:21:16,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-20 22:21:16,844 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-20 22:21:16,844 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-20 22:21:16,844 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-20 22:21:16,845 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-20 22:21:16,845 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-20 22:21:16,845 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-20 22:21:16,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-20 22:21:16,845 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-20 22:21:16,846 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-20 22:21:16,846 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-20 22:21:16,881 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-20 22:21:16,894 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-20 22:21:16,897 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-20 22:21:16,899 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-20 22:21:16,899 INFO L276 PluginConnector]: CDTParser initialized [2018-01-20 22:21:16,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test18_2_false-valid-memtrack_true-termination.i [2018-01-20 22:21:17,101 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-20 22:21:17,105 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-20 22:21:17,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-20 22:21:17,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-20 22:21:17,111 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-20 22:21:17,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 10:21:17" (1/1) ... [2018-01-20 22:21:17,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d422d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:17, skipping insertion in model container [2018-01-20 22:21:17,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 10:21:17" (1/1) ... [2018-01-20 22:21:17,127 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 22:21:17,175 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 22:21:17,296 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 22:21:17,315 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 22:21:17,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:17 WrapperNode [2018-01-20 22:21:17,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-20 22:21:17,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-20 22:21:17,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-20 22:21:17,325 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-20 22:21:17,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:17" (1/1) ... [2018-01-20 22:21:17,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:17" (1/1) ... [2018-01-20 22:21:17,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:17" (1/1) ... [2018-01-20 22:21:17,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:17" (1/1) ... [2018-01-20 22:21:17,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:17" (1/1) ... [2018-01-20 22:21:17,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:17" (1/1) ... [2018-01-20 22:21:17,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:17" (1/1) ... [2018-01-20 22:21:17,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-20 22:21:17,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-20 22:21:17,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-20 22:21:17,361 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-20 22:21:17,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:17" (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 22:21:17,408 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-20 22:21:17,408 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-20 22:21:17,408 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-20 22:21:17,408 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-20 22:21:17,409 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-20 22:21:17,409 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-20 22:21:17,409 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-20 22:21:17,409 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-20 22:21:17,409 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-20 22:21:17,409 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-20 22:21:17,410 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-20 22:21:17,410 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-20 22:21:17,410 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-20 22:21:17,410 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-20 22:21:17,410 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-20 22:21:17,411 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-20 22:21:17,411 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-20 22:21:17,411 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-20 22:21:17,606 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-20 22:21:17,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 10:21:17 BoogieIcfgContainer [2018-01-20 22:21:17,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-20 22:21:17,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-20 22:21:17,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-20 22:21:17,610 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-20 22:21:17,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 10:21:17" (1/3) ... [2018-01-20 22:21:17,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e04cb5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 10:21:17, skipping insertion in model container [2018-01-20 22:21:17,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:21:17" (2/3) ... [2018-01-20 22:21:17,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e04cb5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 10:21:17, skipping insertion in model container [2018-01-20 22:21:17,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 10:21:17" (3/3) ... [2018-01-20 22:21:17,614 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test18_2_false-valid-memtrack_true-termination.i [2018-01-20 22:21:17,622 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-20 22:21:17,628 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-01-20 22:21:17,675 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:21:17,675 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:21:17,675 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:21:17,676 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:21:17,676 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:21:17,676 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:21:17,676 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:21:17,676 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_mallocErr0EnsuresViolation======== [2018-01-20 22:21:17,677 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:21:17,694 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-20 22:21:17,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-20 22:21:17,699 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:21:17,700 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:21:17,700 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-20 22:21:17,704 INFO L82 PathProgramCache]: Analyzing trace with hash 301069136, now seen corresponding path program 1 times [2018-01-20 22:21:17,706 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:21:17,706 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:21:17,755 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:17,755 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:17,755 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:21:17,809 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:21:17,872 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 22:21:17,875 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:21:17,875 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:21:17,876 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:21:17,887 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:21:17,888 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:21:17,890 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 3 states. [2018-01-20 22:21:18,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:21:18,060 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2018-01-20 22:21:18,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:21:18,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-01-20 22:21:18,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:21:18,071 INFO L225 Difference]: With dead ends: 59 [2018-01-20 22:21:18,071 INFO L226 Difference]: Without dead ends: 25 [2018-01-20 22:21:18,074 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 22:21:18,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-01-20 22:21:18,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-01-20 22:21:18,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-01-20 22:21:18,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2018-01-20 22:21:18,109 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 11 [2018-01-20 22:21:18,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:21:18,110 INFO L432 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2018-01-20 22:21:18,110 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:21:18,110 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-01-20 22:21:18,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-20 22:21:18,112 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:21:18,112 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:21:18,112 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-20 22:21:18,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1564537906, now seen corresponding path program 1 times [2018-01-20 22:21:18,112 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:21:18,113 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:21:18,114 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:18,115 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:18,115 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:21:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:21:18,173 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 22:21:18,180 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:21:18,182 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:21:18,190 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:21:18,190 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:21:18,191 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:21:18,191 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:21:18,191 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:21:18,191 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:21:18,191 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:21:18,191 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-20 22:21:18,191 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:21:18,192 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-20 22:21:18,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-20 22:21:18,193 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:21:18,193 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-20 22:21:18,193 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-20 22:21:18,193 INFO L82 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 1 times [2018-01-20 22:21:18,194 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:21:18,194 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:21:18,195 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:18,196 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:18,196 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:21:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:21:18,205 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 22:21:18,206 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:21:18,207 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:21:18,207 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:21:18,207 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:21:18,208 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:21:18,208 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:21:18,208 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:21:18,208 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:21:18,208 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-20 22:21:18,208 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:21:18,210 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-20 22:21:18,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-20 22:21:18,212 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:21:18,212 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:21:18,212 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:21:18,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1578256570, now seen corresponding path program 1 times [2018-01-20 22:21:18,212 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:21:18,212 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:21:18,214 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:18,214 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:18,214 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:21:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:21:18,244 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 22:21:18,246 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:21:18,247 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:21:18,247 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:21:18,247 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:21:18,248 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:21:18,251 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:21:18,252 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:21:18,252 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:21:18,252 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:21:18,252 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:21:18,252 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:21:18,252 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:21:18,252 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-20 22:21:18,252 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:21:18,254 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-20 22:21:18,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-20 22:21:18,255 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:21:18,255 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:21:18,255 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-20 22:21:18,255 INFO L82 PathProgramCache]: Analyzing trace with hash 2036344255, now seen corresponding path program 1 times [2018-01-20 22:21:18,256 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:21:18,256 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:21:18,257 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:18,257 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:18,257 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:21:18,269 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:21:18,314 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 22:21:18,314 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:21:18,314 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:21:18,314 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:21:18,315 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:21:18,315 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:21:18,315 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 3 states. [2018-01-20 22:21:18,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:21:18,401 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2018-01-20 22:21:18,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:21:18,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-01-20 22:21:18,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:21:18,402 INFO L225 Difference]: With dead ends: 59 [2018-01-20 22:21:18,402 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:21:18,403 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 22:21:18,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:21:18,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:21:18,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:21:18,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:21:18,404 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-01-20 22:21:18,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:21:18,404 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:21:18,404 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:21:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:21:18,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:21:18,407 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:21:18,407 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:21:18,407 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:21:18,407 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:21:18,407 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:21:18,407 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:21:18,407 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:21:18,408 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == entry_pointErr0EnsuresViolation======== [2018-01-20 22:21:18,408 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:21:18,409 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-20 22:21:18,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-20 22:21:18,410 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:21:18,410 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:21:18,410 INFO L371 AbstractCegarLoop]: === Iteration 1 === [entry_pointErr0EnsuresViolation]=== [2018-01-20 22:21:18,411 INFO L82 PathProgramCache]: Analyzing trace with hash 373068292, now seen corresponding path program 1 times [2018-01-20 22:21:18,411 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:21:18,411 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:21:18,412 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:18,412 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:18,413 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:21:18,423 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:21:18,453 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 22:21:18,453 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:21:18,453 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:21:18,454 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:21:18,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:21:18,454 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:21:18,454 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 3 states. [2018-01-20 22:21:18,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:21:18,501 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2018-01-20 22:21:18,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:21:18,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-01-20 22:21:18,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:21:18,502 INFO L225 Difference]: With dead ends: 59 [2018-01-20 22:21:18,502 INFO L226 Difference]: Without dead ends: 39 [2018-01-20 22:21:18,503 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 22:21:18,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-01-20 22:21:18,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2018-01-20 22:21:18,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-01-20 22:21:18,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2018-01-20 22:21:18,510 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 15 [2018-01-20 22:21:18,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:21:18,511 INFO L432 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2018-01-20 22:21:18,512 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:21:18,512 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2018-01-20 22:21:18,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-01-20 22:21:18,513 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:21:18,513 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] [2018-01-20 22:21:18,513 INFO L371 AbstractCegarLoop]: === Iteration 2 === [entry_pointErr0EnsuresViolation]=== [2018-01-20 22:21:18,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1523871265, now seen corresponding path program 1 times [2018-01-20 22:21:18,513 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:21:18,513 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:21:18,515 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:18,515 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:18,515 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:21:18,528 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:21:18,602 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 22:21:18,602 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:21:18,602 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 22:21:18,610 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:21:18,644 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:21:18,692 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 22:21:18,713 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:21:18,713 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2018-01-20 22:21:18,714 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-20 22:21:18,714 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-20 22:21:18,714 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-01-20 22:21:18,714 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 9 states. [2018-01-20 22:21:18,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:21:18,737 INFO L93 Difference]: Finished difference Result 60 states and 66 transitions. [2018-01-20 22:21:18,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-20 22:21:18,738 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-01-20 22:21:18,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:21:18,740 INFO L225 Difference]: With dead ends: 60 [2018-01-20 22:21:18,741 INFO L226 Difference]: Without dead ends: 35 [2018-01-20 22:21:18,742 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 [2018-01-20 22:21:18,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-01-20 22:21:18,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-01-20 22:21:18,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-01-20 22:21:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2018-01-20 22:21:18,748 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 28 [2018-01-20 22:21:18,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:21:18,749 INFO L432 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2018-01-20 22:21:18,749 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-20 22:21:18,749 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-01-20 22:21:18,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-20 22:21:18,750 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:21:18,751 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] [2018-01-20 22:21:18,751 INFO L371 AbstractCegarLoop]: === Iteration 3 === [entry_pointErr0EnsuresViolation]=== [2018-01-20 22:21:18,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1070658177, now seen corresponding path program 1 times [2018-01-20 22:21:18,751 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:21:18,751 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:21:18,753 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:18,753 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:18,753 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:21:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:21:18,767 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:21:18,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:21:18,806 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:21:18,806 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 22:21:18,813 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:21:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:21:18,836 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:21:18,854 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 22:21:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-01-20 22:21:18,883 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-20 22:21:18,884 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2018-01-20 22:21:18,884 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-20 22:21:18,884 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-20 22:21:18,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2018-01-20 22:21:18,885 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 5 states. [2018-01-20 22:21:18,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:21:18,935 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2018-01-20 22:21:18,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-20 22:21:18,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-01-20 22:21:18,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:21:18,936 INFO L225 Difference]: With dead ends: 42 [2018-01-20 22:21:18,936 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:21:18,937 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 [2018-01-20 22:21:18,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:21:18,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:21:18,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:21:18,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:21:18,938 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-20 22:21:18,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:21:18,938 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:21:18,938 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-20 22:21:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:21:18,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:21:18,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 10:21:18 BoogieIcfgContainer [2018-01-20 22:21:18,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-20 22:21:18,943 INFO L168 Benchmark]: Toolchain (without parser) took 1841.73 ms. Allocated memory was 300.4 MB in the beginning and 458.8 MB in the end (delta: 158.3 MB). Free memory was 257.2 MB in the beginning and 338.9 MB in the end (delta: -81.8 MB). Peak memory consumption was 76.6 MB. Max. memory is 5.3 GB. [2018-01-20 22:21:18,945 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 300.4 MB. Free memory is still 263.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 22:21:18,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.26 ms. Allocated memory is still 300.4 MB. Free memory was 257.2 MB in the beginning and 243.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. [2018-01-20 22:21:18,945 INFO L168 Benchmark]: Boogie Preprocessor took 36.35 ms. Allocated memory is still 300.4 MB. Free memory was 243.2 MB in the beginning and 241.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-20 22:21:18,946 INFO L168 Benchmark]: RCFGBuilder took 246.03 ms. Allocated memory is still 300.4 MB. Free memory was 241.2 MB in the beginning and 224.2 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. [2018-01-20 22:21:18,946 INFO L168 Benchmark]: TraceAbstraction took 1334.38 ms. Allocated memory was 300.4 MB in the beginning and 458.8 MB in the end (delta: 158.3 MB). Free memory was 224.2 MB in the beginning and 338.9 MB in the end (delta: -114.7 MB). Peak memory consumption was 43.6 MB. Max. memory is 5.3 GB. [2018-01-20 22:21:18,948 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 300.4 MB. Free memory is still 263.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 218.26 ms. Allocated memory is still 300.4 MB. Free memory was 257.2 MB in the beginning and 243.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.35 ms. Allocated memory is still 300.4 MB. Free memory was 243.2 MB in the beginning and 241.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 246.03 ms. Allocated memory is still 300.4 MB. Free memory was 241.2 MB in the beginning and 224.2 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1334.38 ms. Allocated memory was 300.4 MB in the beginning and 458.8 MB in the end (delta: 158.3 MB). Free memory was 224.2 MB in the beginning and 338.9 MB in the end (delta: -114.7 MB). Peak memory consumption was 43.6 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, 0.1s 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, 0.1s 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-0-2018-01-20_22-21-18-959.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-0-2018-01-20_22-21-18-959.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-1-2018-01-20_22-21-18-959.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-2-2018-01-20_22-21-18-959.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-3-2018-01-20_22-21-18-959.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-4-2018-01-20_22-21-18-959.csv Received shutdown request...