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/ssh/s3_srvr.blast.15_false-unreach-call.i.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d63d1fb [2018-01-27 23:14:25,966 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-27 23:14:25,969 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-27 23:14:25,994 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-27 23:14:25,994 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-27 23:14:25,995 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-27 23:14:25,996 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-27 23:14:25,999 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-27 23:14:26,002 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-27 23:14:26,002 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-27 23:14:26,004 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-27 23:14:26,004 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-27 23:14:26,005 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-27 23:14:26,006 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-27 23:14:26,014 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-27 23:14:26,016 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-27 23:14:26,021 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-27 23:14:26,023 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-27 23:14:26,024 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-27 23:14:26,025 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-27 23:14:26,030 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-27 23:14:26,038 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-27 23:14:26,039 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-27 23:14:26,039 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 [2018-01-27 23:14:26,060 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-27 23:14:26,060 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-27 23:14:26,061 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-27 23:14:26,061 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-27 23:14:26,061 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-27 23:14:26,062 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-27 23:14:26,062 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-27 23:14:26,063 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-27 23:14:26,063 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-27 23:14:26,063 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-27 23:14:26,064 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-27 23:14:26,064 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-27 23:14:26,064 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-27 23:14:26,064 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-27 23:14:26,064 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-27 23:14:26,065 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-27 23:14:26,065 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-27 23:14:26,065 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-27 23:14:26,065 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-27 23:14:26,065 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-27 23:14:26,065 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-27 23:14:26,066 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-27 23:14:26,066 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-27 23:14:26,067 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-27 23:14:26,068 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-27 23:14:26,068 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-27 23:14:26,068 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-27 23:14:26,068 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-27 23:14:26,068 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-27 23:14:26,069 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-27 23:14:26,069 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-27 23:14:26,069 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-27 23:14:26,069 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-27 23:14:26,069 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-27 23:14:26,069 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-27 23:14:26,070 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-27 23:14:26,070 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-27 23:14:26,123 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-27 23:14:26,135 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-27 23:14:26,140 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-27 23:14:26,141 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-27 23:14:26,142 INFO L276 PluginConnector]: CDTParser initialized [2018-01-27 23:14:26,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh/s3_srvr.blast.15_false-unreach-call.i.cil.c [2018-01-27 23:14:26,382 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-27 23:14:26,389 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-27 23:14:26,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-27 23:14:26,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-27 23:14:26,398 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-27 23:14:26,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:14:26" (1/1) ... [2018-01-27 23:14:26,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb041c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:14:26, skipping insertion in model container [2018-01-27 23:14:26,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:14:26" (1/1) ... [2018-01-27 23:14:26,423 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-27 23:14:26,538 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-27 23:14:26,841 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-27 23:14:26,982 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-27 23:14:27,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:14:27 WrapperNode [2018-01-27 23:14:27,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-27 23:14:27,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-27 23:14:27,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-27 23:14:27,014 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-27 23:14:27,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:14:27" (1/1) ... [2018-01-27 23:14:27,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:14:27" (1/1) ... [2018-01-27 23:14:27,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:14:27" (1/1) ... [2018-01-27 23:14:27,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:14:27" (1/1) ... [2018-01-27 23:14:27,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:14:27" (1/1) ... [2018-01-27 23:14:27,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:14:27" (1/1) ... [2018-01-27 23:14:27,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:14:27" (1/1) ... [2018-01-27 23:14:27,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-27 23:14:27,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-27 23:14:27,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-27 23:14:27,119 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-27 23:14:27,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:14:27" (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 [2018-01-27 23:14:27,214 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-27 23:14:27,215 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-27 23:14:27,215 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-27 23:14:27,215 INFO L136 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2018-01-27 23:14:27,215 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-27 23:14:27,215 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-27 23:14:27,216 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-27 23:14:27,216 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-27 23:14:27,216 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-27 23:14:27,216 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-27 23:14:27,216 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-27 23:14:27,216 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-27 23:14:27,217 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-27 23:14:27,217 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-27 23:14:27,217 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2018-01-27 23:14:27,217 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-01-27 23:14:27,217 INFO L128 BoogieDeclarations]: Found specification of procedure ssl3_accept [2018-01-27 23:14:27,217 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-27 23:14:27,218 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-27 23:14:27,218 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-27 23:14:27,589 WARN L490 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-01-27 23:14:27,590 WARN L455 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-01-27 23:14:29,923 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-27 23:14:29,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:14:29 BoogieIcfgContainer [2018-01-27 23:14:29,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-27 23:14:29,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-27 23:14:29,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-27 23:14:29,930 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-27 23:14:29,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 11:14:26" (1/3) ... [2018-01-27 23:14:29,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507dd13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:14:29, skipping insertion in model container [2018-01-27 23:14:29,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:14:27" (2/3) ... [2018-01-27 23:14:29,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507dd13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:14:29, skipping insertion in model container [2018-01-27 23:14:29,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:14:29" (3/3) ... [2018-01-27 23:14:29,934 INFO L105 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.15_false-unreach-call.i.cil.c [2018-01-27 23:14:29,944 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-27 23:14:29,954 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-01-27 23:14:30,020 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-27 23:14:30,021 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-27 23:14:30,021 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-27 23:14:30,023 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-27 23:14:30,023 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-27 23:14:30,023 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-27 23:14:30,024 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-27 23:14:30,024 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-27 23:14:30,025 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-27 23:14:30,065 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states. [2018-01-27 23:14:30,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-27 23:14:30,075 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:14:30,076 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-27 23:14:30,076 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-27 23:14:30,081 INFO L82 PathProgramCache]: Analyzing trace with hash 855681, now seen corresponding path program 1 times [2018-01-27 23:14:30,083 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:14:30,084 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:14:30,152 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:14:30,153 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:14:30,153 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:14:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-27 23:14:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-27 23:14:30,229 INFO L389 BasicCegarLoop]: Counterexample might be feasible [2018-01-27 23:14:30,445 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-27 23:14:30,496 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-27 23:14:30,496 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-27 23:14:30,497 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-27 23:14:30,497 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-27 23:14:30,497 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-27 23:14:30,497 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-27 23:14:30,497 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-27 23:14:30,497 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-27 23:14:30,498 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-27 23:14:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states. [2018-01-27 23:14:30,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-27 23:14:30,520 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:14:30,529 INFO L330 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-27 23:14:30,529 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-27 23:14:30,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1185245328, now seen corresponding path program 1 times [2018-01-27 23:14:30,530 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:14:30,530 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:14:30,532 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:14:30,533 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:14:30,533 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:14:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:14:30,691 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-27 23:14:31,354 WARN L146 SmtUtils]: Spent 212ms on a formula simplification. DAG size of input: 17 DAG size of output 14 [2018-01-27 23:14:31,662 WARN L143 SmtUtils]: Spent 225ms on a formula simplification that was a NOOP. DAG size: 15 [2018-01-27 23:14:31,987 WARN L146 SmtUtils]: Spent 225ms on a formula simplification. DAG size of input: 27 DAG size of output 25 [2018-01-27 23:14:32,218 WARN L143 SmtUtils]: Spent 106ms on a formula simplification that was a NOOP. DAG size: 21 [2018-01-27 23:14:32,581 WARN L143 SmtUtils]: Spent 222ms on a formula simplification that was a NOOP. DAG size: 37 [2018-01-27 23:14:32,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-27 23:14:32,843 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-27 23:14:32,843 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-01-27 23:14:32,845 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-27 23:14:32,860 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-27 23:14:32,860 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-01-27 23:14:32,863 INFO L87 Difference]: Start difference. First operand 345 states. Second operand 10 states. [2018-01-27 23:14:36,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-27 23:14:36,205 INFO L93 Difference]: Finished difference Result 355 states and 463 transitions. [2018-01-27 23:14:36,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-27 23:14:36,207 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2018-01-27 23:14:36,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-27 23:14:36,213 INFO L225 Difference]: With dead ends: 355 [2018-01-27 23:14:36,213 INFO L226 Difference]: Without dead ends: 0 [2018-01-27 23:14:36,218 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-01-27 23:14:36,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-27 23:14:36,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-27 23:14:36,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-27 23:14:36,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-27 23:14:36,242 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-01-27 23:14:36,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-27 23:14:36,242 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-27 23:14:36,242 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-27 23:14:36,242 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-27 23:14:36,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-27 23:14:36,248 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-27 23:14:36,248 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-27 23:14:36,248 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-27 23:14:36,248 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-27 23:14:36,248 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-27 23:14:36,248 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-27 23:14:36,249 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-27 23:14:36,249 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-27 23:14:36,249 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-27 23:14:36,254 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states. [2018-01-27 23:14:36,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-01-27 23:14:36,258 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:14:36,258 INFO L330 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-27 23:14:36,258 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-27 23:14:36,259 INFO L82 PathProgramCache]: Analyzing trace with hash -416875369, now seen corresponding path program 1 times [2018-01-27 23:14:36,259 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:14:36,259 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:14:36,261 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:14:36,261 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:14:36,261 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:14:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-27 23:14:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-27 23:14:36,339 INFO L389 BasicCegarLoop]: Counterexample might be feasible [2018-01-27 23:14:36,350 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-27 23:14:36,356 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-27 23:14:36,357 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-27 23:14:36,385 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-27 23:14:36,385 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-27 23:14:36,386 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-27 23:14:36,386 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-27 23:14:36,386 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-27 23:14:36,386 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-27 23:14:36,386 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-27 23:14:36,386 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ssl3_acceptErr0EnsuresViolation======== [2018-01-27 23:14:36,386 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-27 23:14:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states. [2018-01-27 23:14:36,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-27 23:14:36,391 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:14:36,391 INFO L330 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2018-01-27 23:14:36,391 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0EnsuresViolation]=== [2018-01-27 23:14:36,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1141984277, now seen corresponding path program 1 times [2018-01-27 23:14:36,392 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:14:36,392 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:14:36,393 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:14:36,394 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:14:36,394 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:14:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:14:36,412 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-27 23:14:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-27 23:14:36,442 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-27 23:14:36,442 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-27 23:14:36,443 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-27 23:14:36,443 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-27 23:14:36,443 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-27 23:14:36,443 INFO L87 Difference]: Start difference. First operand 345 states. Second operand 2 states. [2018-01-27 23:14:36,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-27 23:14:36,459 INFO L93 Difference]: Finished difference Result 359 states and 466 transitions. [2018-01-27 23:14:36,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-27 23:14:36,460 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2018-01-27 23:14:36,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-27 23:14:36,461 INFO L225 Difference]: With dead ends: 359 [2018-01-27 23:14:36,461 INFO L226 Difference]: Without dead ends: 0 [2018-01-27 23:14:36,464 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-27 23:14:36,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-27 23:14:36,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-27 23:14:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-27 23:14:36,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-27 23:14:36,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-01-27 23:14:36,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-27 23:14:36,466 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-27 23:14:36,466 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-27 23:14:36,466 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-27 23:14:36,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-27 23:14:36,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 11:14:36 BoogieIcfgContainer [2018-01-27 23:14:36,471 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-27 23:14:36,472 INFO L168 Benchmark]: Toolchain (without parser) took 10090.25 ms. Allocated memory was 307.2 MB in the beginning and 528.0 MB in the end (delta: 220.7 MB). Free memory was 266.0 MB in the beginning and 443.8 MB in the end (delta: -177.8 MB). Peak memory consumption was 42.9 MB. Max. memory is 5.3 GB. [2018-01-27 23:14:36,474 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 307.2 MB. Free memory is still 273.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-27 23:14:36,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.68 ms. Allocated memory is still 307.2 MB. Free memory was 264.9 MB in the beginning and 236.7 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 5.3 GB. [2018-01-27 23:14:36,474 INFO L168 Benchmark]: Boogie Preprocessor took 105.20 ms. Allocated memory is still 307.2 MB. Free memory was 236.7 MB in the beginning and 233.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-01-27 23:14:36,474 INFO L168 Benchmark]: RCFGBuilder took 2805.22 ms. Allocated memory was 307.2 MB in the beginning and 330.8 MB in the end (delta: 23.6 MB). Free memory was 233.7 MB in the beginning and 250.1 MB in the end (delta: -16.4 MB). Peak memory consumption was 57.9 MB. Max. memory is 5.3 GB. [2018-01-27 23:14:36,475 INFO L168 Benchmark]: TraceAbstraction took 6545.18 ms. Allocated memory was 330.8 MB in the beginning and 528.0 MB in the end (delta: 197.1 MB). Free memory was 250.1 MB in the beginning and 443.8 MB in the end (delta: -193.7 MB). Peak memory consumption was 3.4 MB. Max. memory is 5.3 GB. [2018-01-27 23:14:36,477 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 307.2 MB. Free memory is still 273.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 622.68 ms. Allocated memory is still 307.2 MB. Free memory was 264.9 MB in the beginning and 236.7 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 105.20 ms. Allocated memory is still 307.2 MB. Free memory was 236.7 MB in the beginning and 233.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 2805.22 ms. Allocated memory was 307.2 MB in the beginning and 330.8 MB in the end (delta: 23.6 MB). Free memory was 233.7 MB in the beginning and 250.1 MB in the end (delta: -16.4 MB). Peak memory consumption was 57.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6545.18 ms. Allocated memory was 330.8 MB in the beginning and 528.0 MB in the end (delta: 197.1 MB). Free memory was 250.1 MB in the beginning and 443.8 MB in the end (delta: -193.7 MB). Peak memory consumption was 3.4 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) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 4 procedures, 347 locations, 4 error locations. UNSAFE Result, 0.4s 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=345occurred 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, 0.0s DumpTime, 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, ReuseStatistics: No data available - PositiveResult [Line: 1]: 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: ULTIMATE.startErr0EnsuresViolation CFG has 4 procedures, 347 locations, 4 error locations. SAFE Result, 5.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 3.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 433 SDtfs, 859 SDslu, 7 SDs, 0 SdLazy, 1332 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=345occurred 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 29680 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1069]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of bitwiseAnd at line 1126. Possible FailurePath: [L1070] SSL *s ; [L1071] int tmp ; [L1075] EXPR, FCALL malloc(sizeof(SSL)) VAL [malloc(sizeof(SSL))={8476:0}] [L1075] s = malloc(sizeof(SSL)) VAL [malloc(sizeof(SSL))={8476:0}, s={8476:0}] [L1076] EXPR, FCALL malloc(sizeof(struct ssl3_state_st)) VAL [malloc(sizeof(SSL))={8476:0}, malloc(sizeof(struct ssl3_state_st))={8477:0}, s={8476:0}] [L1076] FCALL s->s3 = malloc(sizeof(struct ssl3_state_st)) VAL [malloc(sizeof(SSL))={8476:0}, malloc(sizeof(struct ssl3_state_st))={8477:0}, s={8476:0}] [L1077] EXPR, FCALL malloc(sizeof(SSL_CTX)) VAL [malloc(sizeof(SSL))={8476:0}, malloc(sizeof(SSL_CTX))={8479:0}, malloc(sizeof(struct ssl3_state_st))={8477:0}, s={8476:0}] [L1077] FCALL s->ctx = malloc(sizeof(SSL_CTX)) VAL [malloc(sizeof(SSL))={8476:0}, malloc(sizeof(SSL_CTX))={8479:0}, malloc(sizeof(struct ssl3_state_st))={8477:0}, s={8476:0}] [L1078] EXPR, FCALL malloc(sizeof(SSL_SESSION)) VAL [malloc(sizeof(SSL))={8476:0}, malloc(sizeof(SSL_CTX))={8479:0}, malloc(sizeof(SSL_SESSION))={8473:0}, malloc(sizeof(struct ssl3_state_st))={8477:0}, s={8476:0}] [L1078] FCALL s->session = malloc(sizeof(SSL_SESSION)) VAL [malloc(sizeof(SSL))={8476:0}, malloc(sizeof(SSL_CTX))={8479:0}, malloc(sizeof(SSL_SESSION))={8473:0}, malloc(sizeof(struct ssl3_state_st))={8477:0}, s={8476:0}] [L1079] CALL, EXPR ssl3_accept(s) VAL [s={8476:0}] [L1085] BUF_MEM *buf ; [L1086] unsigned long l ; [L1087] unsigned long Time ; [L1088] unsigned long tmp ; [L1089] void (*cb)() ; [L1090] long num1 ; [L1091] int ret ; [L1092] int new_state ; [L1093] int state ; [L1094] int skip ; [L1095] int got_new_session ; [L1096] int tmp___1 = __VERIFIER_nondet_int() ; [L1097] int tmp___2 = __VERIFIER_nondet_int() ; [L1098] int tmp___3 = __VERIFIER_nondet_int() ; [L1099] int tmp___4 = __VERIFIER_nondet_int() ; [L1100] int tmp___5 = __VERIFIER_nondet_int() ; [L1101] int tmp___6 = __VERIFIER_nondet_int() ; [L1102] int tmp___7 ; [L1103] long tmp___8 = __VERIFIER_nondet_long() ; [L1104] int tmp___9 = __VERIFIER_nondet_int() ; [L1105] int tmp___10 = __VERIFIER_nondet_int() ; [L1106] int blastFlag ; VAL [s={8476:0}, s={8476:0}, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1110] FCALL s->state = 8464 VAL [s={8476:0}, s={8476:0}, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1111] blastFlag = 0 [L1112] FCALL s->hit=__VERIFIER_nondet_int () VAL [__VERIFIER_nondet_int ()=0, blastFlag=0, s={8476:0}, s={8476:0}, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1113] FCALL s->state = 8464 VAL [blastFlag=0, s={8476:0}, s={8476:0}, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1114] tmp = __VERIFIER_nondet_int() [L1115] Time = tmp [L1116] cb = (void (*)())((void *)0) [L1117] ret = -1 [L1118] skip = 0 [L1119] got_new_session = 0 VAL [={0:0}, blastFlag=0, got_new_session=0, ret=-1, s={8476:0}, s={8476:0}, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1120] EXPR, FCALL s->info_callback VAL [={0:0}, blastFlag=0, got_new_session=0, ret=-1, s={8476:0}, s={8476:0}, s->info_callback={0:0}, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1120] COND FALSE !((unsigned long )s->info_callback != (unsigned long )((void *)0)) [L1125] EXPR, FCALL s->in_handshake VAL [={0:0}, blastFlag=0, got_new_session=0, ret=-1, s={8476:0}, s={8476:0}, s->in_handshake=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1125] FCALL s->in_handshake += 1 VAL [={0:0}, blastFlag=0, got_new_session=0, ret=-1, s={8476:0}, s={8476:0}, s->in_handshake=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1126] COND FALSE !(tmp___1 & 12288) VAL [={0:0}, blastFlag=0, got_new_session=0, ret=-1, s={8476:0}, s={8476:0}, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1135] EXPR, FCALL s->cert VAL [={0:0}, blastFlag=0, got_new_session=0, ret=-1, s={8476:0}, s={8476:0}, s->cert={0:0}, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1135] COND TRUE (unsigned long )s->cert == (unsigned long )((void *)0) [L1136] RET return (-1); VAL [={0:0}, \result=-1, blastFlag=0, got_new_session=0, ret=-1, s={8476:0}, s={8476:0}, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1079] EXPR ssl3_accept(s) VAL [malloc(sizeof(SSL))={8476:0}, malloc(sizeof(SSL_CTX))={8479:0}, malloc(sizeof(SSL_SESSION))={8473:0}, malloc(sizeof(struct ssl3_state_st))={8477:0}, s={8476:0}, ssl3_accept(s)=-1] [L1079] tmp = ssl3_accept(s) [L1081] return (tmp); VAL [\result=-1, malloc(sizeof(SSL))={8476:0}, malloc(sizeof(SSL_CTX))={8479:0}, malloc(sizeof(SSL_SESSION))={8473:0}, malloc(sizeof(struct ssl3_state_st))={8477:0}, s={8476:0}, tmp=-1] - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 4 procedures, 347 locations, 4 error locations. UNSAFE Result, 0.1s 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=345occurred 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, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 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, ReuseStatistics: No data available - PositiveResult [Line: 1031]: 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: ssl3_acceptErr0EnsuresViolation CFG has 4 procedures, 347 locations, 4 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 447 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=345occurred 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, 0.0s DumpTime, 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, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: 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/s3_srvr.blast.15_false-unreach-call.i.cil.c_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-27_23-14-36-486.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/s3_srvr.blast.15_false-unreach-call.i.cil.c_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-27_23-14-36-486.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/s3_srvr.blast.15_false-unreach-call.i.cil.c_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-27_23-14-36-486.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/s3_srvr.blast.15_false-unreach-call.i.cil.c_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-27_23-14-36-486.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/s3_srvr.blast.15_false-unreach-call.i.cil.c_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-27_23-14-36-486.csv Received shutdown request...