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_clnt.blast.03_true-unreach-call.i.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d63d1fb [2018-01-27 23:14:59,566 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-27 23:14:59,568 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-27 23:14:59,584 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-27 23:14:59,584 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-27 23:14:59,585 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-27 23:14:59,586 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-27 23:14:59,590 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-27 23:14:59,592 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-27 23:14:59,593 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-27 23:14:59,596 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-27 23:14:59,597 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-27 23:14:59,598 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-27 23:14:59,610 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-27 23:14:59,611 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-27 23:14:59,613 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-27 23:14:59,615 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-27 23:14:59,617 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-27 23:14:59,618 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-27 23:14:59,624 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-27 23:14:59,627 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-27 23:14:59,636 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-27 23:14:59,636 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-27 23:14:59,637 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 23:14:59,652 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-27 23:14:59,653 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-27 23:14:59,657 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-27 23:14:59,658 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-27 23:14:59,658 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-27 23:14:59,658 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-27 23:14:59,658 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-27 23:14:59,659 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-27 23:14:59,659 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-27 23:14:59,659 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-27 23:14:59,659 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-27 23:14:59,660 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-27 23:14:59,660 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-27 23:14:59,660 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-27 23:14:59,661 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-27 23:14:59,661 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-27 23:14:59,661 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-27 23:14:59,661 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-27 23:14:59,661 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-27 23:14:59,661 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-27 23:14:59,662 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-27 23:14:59,662 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-27 23:14:59,662 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-27 23:14:59,662 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-27 23:14:59,662 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-27 23:14:59,663 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-27 23:14:59,663 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-27 23:14:59,663 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-27 23:14:59,663 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-27 23:14:59,663 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-27 23:14:59,664 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-27 23:14:59,664 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-27 23:14:59,665 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-27 23:14:59,665 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-27 23:14:59,666 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-27 23:14:59,667 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-27 23:14:59,667 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-27 23:14:59,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-27 23:14:59,730 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-27 23:14:59,774 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-27 23:14:59,775 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-27 23:14:59,775 INFO L276 PluginConnector]: CDTParser initialized [2018-01-27 23:14:59,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh/s3_clnt.blast.03_true-unreach-call.i.cil.c [2018-01-27 23:15:00,062 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-27 23:15:00,069 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-27 23:15:00,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-27 23:15:00,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-27 23:15:00,079 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-27 23:15:00,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:15:00" (1/1) ... [2018-01-27 23:15:00,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e970b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:15:00, skipping insertion in model container [2018-01-27 23:15:00,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:15:00" (1/1) ... [2018-01-27 23:15:00,103 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-27 23:15:00,219 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-27 23:15:00,520 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-27 23:15:00,612 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-27 23:15:00,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:15:00 WrapperNode [2018-01-27 23:15:00,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-27 23:15:00,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-27 23:15:00,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-27 23:15:00,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-27 23:15:00,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:15:00" (1/1) ... [2018-01-27 23:15:00,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:15:00" (1/1) ... [2018-01-27 23:15:00,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:15:00" (1/1) ... [2018-01-27 23:15:00,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:15:00" (1/1) ... [2018-01-27 23:15:00,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:15:00" (1/1) ... [2018-01-27 23:15:00,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:15:00" (1/1) ... [2018-01-27 23:15:00,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:15:00" (1/1) ... [2018-01-27 23:15:00,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-27 23:15:00,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-27 23:15:00,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-27 23:15:00,744 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-27 23:15:00,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:15:00" (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 23:15:00,814 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-27 23:15:00,814 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-27 23:15:00,814 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-27 23:15:00,815 INFO L136 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-01-27 23:15:00,815 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-27 23:15:00,815 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-27 23:15:00,815 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-27 23:15:00,815 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-27 23:15:00,815 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-27 23:15:00,816 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-27 23:15:00,816 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-27 23:15:00,816 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-27 23:15:00,816 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-27 23:15:00,816 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-27 23:15:00,816 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2018-01-27 23:15:00,817 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-01-27 23:15:00,817 INFO L128 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-01-27 23:15:00,817 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-27 23:15:00,817 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-27 23:15:00,817 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-27 23:15:01,246 WARN L490 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-01-27 23:15:01,246 WARN L455 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-01-27 23:15:02,978 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-27 23:15:02,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:15:02 BoogieIcfgContainer [2018-01-27 23:15:02,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-27 23:15:02,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-27 23:15:02,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-27 23:15:02,983 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-27 23:15:02,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 11:15:00" (1/3) ... [2018-01-27 23:15:02,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6fc80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:15:02, skipping insertion in model container [2018-01-27 23:15:02,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:15:00" (2/3) ... [2018-01-27 23:15:02,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6fc80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:15:02, skipping insertion in model container [2018-01-27 23:15:02,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:15:02" (3/3) ... [2018-01-27 23:15:02,987 INFO L105 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.03_true-unreach-call.i.cil.c [2018-01-27 23:15:02,994 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-27 23:15:03,000 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-01-27 23:15:03,054 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-27 23:15:03,054 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-27 23:15:03,054 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-27 23:15:03,055 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-27 23:15:03,055 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-27 23:15:03,055 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-27 23:15:03,055 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-27 23:15:03,056 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-27 23:15:03,056 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-27 23:15:03,082 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states. [2018-01-27 23:15:03,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-27 23:15:03,088 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:15:03,089 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-27 23:15:03,089 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-27 23:15:03,094 INFO L82 PathProgramCache]: Analyzing trace with hash 732796, now seen corresponding path program 1 times [2018-01-27 23:15:03,096 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:15:03,097 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:15:03,153 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:03,153 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:15:03,153 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-27 23:15:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-27 23:15:03,217 INFO L389 BasicCegarLoop]: Counterexample might be feasible [2018-01-27 23:15:03,225 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-27 23:15:03,373 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-27 23:15:03,374 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-27 23:15:03,374 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-27 23:15:03,374 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-27 23:15:03,374 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-27 23:15:03,374 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-27 23:15:03,375 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-27 23:15:03,375 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ssl3_connectErr0EnsuresViolation======== [2018-01-27 23:15:03,375 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-27 23:15:03,385 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states. [2018-01-27 23:15:03,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-01-27 23:15:03,387 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:15:03,388 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, 1, 1, 1] [2018-01-27 23:15:03,388 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0EnsuresViolation]=== [2018-01-27 23:15:03,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1243266717, now seen corresponding path program 1 times [2018-01-27 23:15:03,388 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:15:03,389 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:15:03,390 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:03,391 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:15:03,391 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:15:03,504 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-27 23:15:03,621 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 23:15:03,624 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-27 23:15:03,624 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-27 23:15:03,625 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-27 23:15:03,640 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-27 23:15:03,641 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-27 23:15:03,643 INFO L87 Difference]: Start difference. First operand 324 states. Second operand 2 states. [2018-01-27 23:15:03,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-27 23:15:03,692 INFO L93 Difference]: Finished difference Result 338 states and 427 transitions. [2018-01-27 23:15:03,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-27 23:15:03,693 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 39 [2018-01-27 23:15:03,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-27 23:15:03,701 INFO L225 Difference]: With dead ends: 338 [2018-01-27 23:15:03,701 INFO L226 Difference]: Without dead ends: 0 [2018-01-27 23:15:03,706 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 23:15:03,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-27 23:15:03,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-27 23:15:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-27 23:15:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-27 23:15:03,733 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2018-01-27 23:15:03,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-27 23:15:03,734 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-27 23:15:03,734 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-27 23:15:03,734 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-27 23:15:03,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-27 23:15:03,738 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-27 23:15:03,738 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-27 23:15:03,738 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-27 23:15:03,739 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-27 23:15:03,739 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-27 23:15:03,739 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-27 23:15:03,739 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-27 23:15:03,739 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-27 23:15:03,739 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-27 23:15:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states. [2018-01-27 23:15:03,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-01-27 23:15:03,746 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:15:03,746 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-27 23:15:03,746 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-27 23:15:03,746 INFO L82 PathProgramCache]: Analyzing trace with hash -341062957, now seen corresponding path program 1 times [2018-01-27 23:15:03,746 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:15:03,747 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:15:03,748 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:03,748 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:15:03,749 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:15:03,788 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-27 23:15:03,845 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 23:15:03,845 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-27 23:15:03,845 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-27 23:15:03,846 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-27 23:15:03,846 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-27 23:15:03,846 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-27 23:15:03,846 INFO L87 Difference]: Start difference. First operand 324 states. Second operand 2 states. [2018-01-27 23:15:03,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-27 23:15:03,871 INFO L93 Difference]: Finished difference Result 338 states and 427 transitions. [2018-01-27 23:15:03,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-27 23:15:03,871 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 44 [2018-01-27 23:15:03,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-27 23:15:03,884 INFO L225 Difference]: With dead ends: 338 [2018-01-27 23:15:03,886 INFO L226 Difference]: Without dead ends: 319 [2018-01-27 23:15:03,887 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 23:15:03,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-01-27 23:15:03,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2018-01-27 23:15:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-01-27 23:15:03,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 404 transitions. [2018-01-27 23:15:03,931 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 404 transitions. Word has length 44 [2018-01-27 23:15:03,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-27 23:15:03,932 INFO L432 AbstractCegarLoop]: Abstraction has 319 states and 404 transitions. [2018-01-27 23:15:03,932 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-27 23:15:03,932 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 404 transitions. [2018-01-27 23:15:03,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-01-27 23:15:03,934 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:15:03,934 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-27 23:15:03,934 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-27 23:15:03,935 INFO L82 PathProgramCache]: Analyzing trace with hash 823787952, now seen corresponding path program 1 times [2018-01-27 23:15:03,935 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:15:03,935 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:15:03,937 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:03,937 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:15:03,937 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:15:04,020 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-27 23:15:04,554 WARN L146 SmtUtils]: Spent 250ms on a formula simplification. DAG size of input: 25 DAG size of output 23 [2018-01-27 23:15:04,661 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 23:15:04,662 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-27 23:15:04,662 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-27 23:15:04,665 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-27 23:15:04,665 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-27 23:15:04,665 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-27 23:15:04,666 INFO L87 Difference]: Start difference. First operand 319 states and 404 transitions. Second operand 7 states. [2018-01-27 23:15:05,093 WARN L146 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 26 DAG size of output 14 [2018-01-27 23:15:07,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-27 23:15:07,417 INFO L93 Difference]: Finished difference Result 1012 states and 1323 transitions. [2018-01-27 23:15:07,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-27 23:15:07,418 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2018-01-27 23:15:07,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-27 23:15:07,429 INFO L225 Difference]: With dead ends: 1012 [2018-01-27 23:15:07,429 INFO L226 Difference]: Without dead ends: 732 [2018-01-27 23:15:07,431 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-01-27 23:15:07,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2018-01-27 23:15:07,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 327. [2018-01-27 23:15:07,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-01-27 23:15:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 413 transitions. [2018-01-27 23:15:07,461 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 413 transitions. Word has length 55 [2018-01-27 23:15:07,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-27 23:15:07,461 INFO L432 AbstractCegarLoop]: Abstraction has 327 states and 413 transitions. [2018-01-27 23:15:07,461 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-27 23:15:07,462 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 413 transitions. [2018-01-27 23:15:07,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-01-27 23:15:07,464 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:15:07,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-27 23:15:07,464 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-27 23:15:07,464 INFO L82 PathProgramCache]: Analyzing trace with hash -382237845, now seen corresponding path program 1 times [2018-01-27 23:15:07,464 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:15:07,465 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:15:07,466 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:07,466 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:15:07,467 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:15:07,502 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-27 23:15:07,753 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 23:15:07,753 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-27 23:15:07,754 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-27 23:15:07,754 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-27 23:15:07,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-27 23:15:07,754 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-27 23:15:07,755 INFO L87 Difference]: Start difference. First operand 327 states and 413 transitions. Second operand 7 states. [2018-01-27 23:15:09,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-27 23:15:09,110 INFO L93 Difference]: Finished difference Result 1012 states and 1322 transitions. [2018-01-27 23:15:09,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-27 23:15:09,110 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-01-27 23:15:09,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-27 23:15:09,115 INFO L225 Difference]: With dead ends: 1012 [2018-01-27 23:15:09,115 INFO L226 Difference]: Without dead ends: 732 [2018-01-27 23:15:09,121 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-01-27 23:15:09,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2018-01-27 23:15:09,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 329. [2018-01-27 23:15:09,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-01-27 23:15:09,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 415 transitions. [2018-01-27 23:15:09,151 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 415 transitions. Word has length 57 [2018-01-27 23:15:09,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-27 23:15:09,152 INFO L432 AbstractCegarLoop]: Abstraction has 329 states and 415 transitions. [2018-01-27 23:15:09,152 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-27 23:15:09,152 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 415 transitions. [2018-01-27 23:15:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-01-27 23:15:09,154 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:15:09,155 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, 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 23:15:09,155 INFO L371 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-27 23:15:09,155 INFO L82 PathProgramCache]: Analyzing trace with hash -653052046, now seen corresponding path program 1 times [2018-01-27 23:15:09,155 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:15:09,155 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:15:09,157 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:09,157 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:15:09,157 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:15:09,203 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-27 23:15:09,789 WARN L146 SmtUtils]: Spent 165ms on a formula simplification. DAG size of input: 26 DAG size of output 24 [2018-01-27 23:15:10,186 WARN L146 SmtUtils]: Spent 227ms on a formula simplification. DAG size of input: 36 DAG size of output 33 [2018-01-27 23:15:10,222 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 23:15:10,222 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-27 23:15:10,222 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-01-27 23:15:10,223 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-27 23:15:10,223 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-27 23:15:10,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-01-27 23:15:10,223 INFO L87 Difference]: Start difference. First operand 329 states and 415 transitions. Second operand 10 states. [2018-01-27 23:15:12,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-27 23:15:12,800 INFO L93 Difference]: Finished difference Result 329 states and 415 transitions. [2018-01-27 23:15:12,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-27 23:15:12,801 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2018-01-27 23:15:12,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-27 23:15:12,801 INFO L225 Difference]: With dead ends: 329 [2018-01-27 23:15:12,801 INFO L226 Difference]: Without dead ends: 0 [2018-01-27 23:15:12,802 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-01-27 23:15:12,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-27 23:15:12,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-27 23:15:12,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-27 23:15:12,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-27 23:15:12,803 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-01-27 23:15:12,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-27 23:15:12,803 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-27 23:15:12,803 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-27 23:15:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-27 23:15:12,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-27 23:15:12,805 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-27 23:15:12,806 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-27 23:15:12,806 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-27 23:15:12,806 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-27 23:15:12,806 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-27 23:15:12,806 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-27 23:15:12,806 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-27 23:15:12,806 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-27 23:15:12,806 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-27 23:15:12,808 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states. [2018-01-27 23:15:12,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-01-27 23:15:12,810 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:15:12,810 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, 1, 1, 1, 1, 1, 1] [2018-01-27 23:15:12,810 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-27 23:15:12,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1639866714, now seen corresponding path program 1 times [2018-01-27 23:15:12,810 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:15:12,810 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:15:12,812 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:12,812 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:15:12,812 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:15:12,837 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-27 23:15:12,866 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 23:15:12,867 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-27 23:15:12,867 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-27 23:15:12,867 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-27 23:15:12,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-27 23:15:12,867 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-27 23:15:12,868 INFO L87 Difference]: Start difference. First operand 324 states. Second operand 2 states. [2018-01-27 23:15:12,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-27 23:15:12,877 INFO L93 Difference]: Finished difference Result 338 states and 427 transitions. [2018-01-27 23:15:12,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-27 23:15:12,877 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2018-01-27 23:15:12,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-27 23:15:12,880 INFO L225 Difference]: With dead ends: 338 [2018-01-27 23:15:12,880 INFO L226 Difference]: Without dead ends: 317 [2018-01-27 23:15:12,881 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 23:15:12,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-01-27 23:15:12,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-01-27 23:15:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-01-27 23:15:12,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 402 transitions. [2018-01-27 23:15:12,896 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 402 transitions. Word has length 42 [2018-01-27 23:15:12,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-27 23:15:12,896 INFO L432 AbstractCegarLoop]: Abstraction has 317 states and 402 transitions. [2018-01-27 23:15:12,897 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-27 23:15:12,897 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 402 transitions. [2018-01-27 23:15:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-01-27 23:15:12,900 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:15:12,900 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-27 23:15:12,900 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-27 23:15:12,900 INFO L82 PathProgramCache]: Analyzing trace with hash -602494089, now seen corresponding path program 1 times [2018-01-27 23:15:12,900 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:15:12,900 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:15:12,901 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:12,901 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:15:12,902 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:15:12,943 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-27 23:15:13,159 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 23:15:13,159 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-27 23:15:13,159 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-27 23:15:13,160 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-27 23:15:13,160 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-27 23:15:13,160 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-27 23:15:13,160 INFO L87 Difference]: Start difference. First operand 317 states and 402 transitions. Second operand 7 states. [2018-01-27 23:15:17,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-27 23:15:17,222 INFO L93 Difference]: Finished difference Result 1008 states and 1319 transitions. [2018-01-27 23:15:17,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-27 23:15:17,222 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-01-27 23:15:17,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-27 23:15:17,226 INFO L225 Difference]: With dead ends: 1008 [2018-01-27 23:15:17,226 INFO L226 Difference]: Without dead ends: 730 [2018-01-27 23:15:17,227 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-01-27 23:15:17,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2018-01-27 23:15:17,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 325. [2018-01-27 23:15:17,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-01-27 23:15:17,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 411 transitions. [2018-01-27 23:15:17,245 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 411 transitions. Word has length 53 [2018-01-27 23:15:17,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-27 23:15:17,246 INFO L432 AbstractCegarLoop]: Abstraction has 325 states and 411 transitions. [2018-01-27 23:15:17,246 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-27 23:15:17,247 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 411 transitions. [2018-01-27 23:15:17,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-01-27 23:15:17,247 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:15:17,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-27 23:15:17,248 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation]=== [2018-01-27 23:15:17,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1886429198, now seen corresponding path program 1 times [2018-01-27 23:15:17,248 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:15:17,248 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:15:17,249 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:17,249 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:15:17,249 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-27 23:15:17,275 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-27 23:15:17,491 WARN L146 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 25 DAG size of output 23 [2018-01-27 23:15:17,531 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 23:15:17,531 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-27 23:15:17,531 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-27 23:15:17,531 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-27 23:15:17,531 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-27 23:15:17,532 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-27 23:15:17,532 INFO L87 Difference]: Start difference. First operand 325 states and 411 transitions. Second operand 7 states. [2018-01-27 23:15:18,152 WARN L143 SmtUtils]: Spent 284ms on a formula simplification that was a NOOP. DAG size: 28 [2018-01-27 23:15:20,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-27 23:15:20,872 INFO L93 Difference]: Finished difference Result 1008 states and 1318 transitions. [2018-01-27 23:15:20,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-27 23:15:20,873 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2018-01-27 23:15:20,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-27 23:15:20,876 INFO L225 Difference]: With dead ends: 1008 [2018-01-27 23:15:20,877 INFO L226 Difference]: Without dead ends: 730 [2018-01-27 23:15:20,878 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-01-27 23:15:20,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2018-01-27 23:15:20,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 327. [2018-01-27 23:15:20,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-01-27 23:15:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 413 transitions. [2018-01-27 23:15:20,893 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 413 transitions. Word has length 55 [2018-01-27 23:15:20,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-27 23:15:20,893 INFO L432 AbstractCegarLoop]: Abstraction has 327 states and 413 transitions. [2018-01-27 23:15:20,893 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-27 23:15:20,893 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 413 transitions. [2018-01-27 23:15:20,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-01-27 23:15:20,894 INFO L322 BasicCegarLoop]: Found error trace [2018-01-27 23:15:20,895 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-27 23:15:20,895 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation]=== [2018-01-27 23:15:20,895 INFO L82 PathProgramCache]: Analyzing trace with hash 17197497, now seen corresponding path program 1 times [2018-01-27 23:15:20,895 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-27 23:15:20,895 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-27 23:15:20,896 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:20,896 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-27 23:15:20,897 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-27 23:15:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-27 23:15:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-27 23:15:21,027 INFO L389 BasicCegarLoop]: Counterexample might be feasible [2018-01-27 23:15:21,052 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-27 23:15:21,068 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-27 23:15:21,069 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-27 23:15:21,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 11:15:21 BoogieIcfgContainer [2018-01-27 23:15:21,111 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-27 23:15:21,112 INFO L168 Benchmark]: Toolchain (without parser) took 21048.67 ms. Allocated memory was 308.8 MB in the beginning and 616.6 MB in the end (delta: 307.8 MB). Free memory was 267.6 MB in the beginning and 526.9 MB in the end (delta: -259.3 MB). Peak memory consumption was 48.5 MB. Max. memory is 5.3 GB. [2018-01-27 23:15:21,113 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 308.8 MB. Free memory is still 274.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-27 23:15:21,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.82 ms. Allocated memory is still 308.8 MB. Free memory was 266.6 MB in the beginning and 240.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 5.3 GB. [2018-01-27 23:15:21,113 INFO L168 Benchmark]: Boogie Preprocessor took 112.63 ms. Allocated memory is still 308.8 MB. Free memory was 240.4 MB in the beginning and 236.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. [2018-01-27 23:15:21,114 INFO L168 Benchmark]: RCFGBuilder took 2235.87 ms. Allocated memory was 308.8 MB in the beginning and 329.8 MB in the end (delta: 21.0 MB). Free memory was 236.4 MB in the beginning and 256.5 MB in the end (delta: -20.1 MB). Peak memory consumption was 58.6 MB. Max. memory is 5.3 GB. [2018-01-27 23:15:21,114 INFO L168 Benchmark]: TraceAbstraction took 18130.62 ms. Allocated memory was 329.8 MB in the beginning and 616.6 MB in the end (delta: 286.8 MB). Free memory was 255.0 MB in the beginning and 526.9 MB in the end (delta: -271.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 5.3 GB. [2018-01-27 23:15:21,116 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 308.8 MB. Free memory is still 274.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 558.82 ms. Allocated memory is still 308.8 MB. Free memory was 266.6 MB in the beginning and 240.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 112.63 ms. Allocated memory is still 308.8 MB. Free memory was 240.4 MB in the beginning and 236.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 2235.87 ms. Allocated memory was 308.8 MB in the beginning and 329.8 MB in the end (delta: 21.0 MB). Free memory was 236.4 MB in the beginning and 256.5 MB in the end (delta: -20.1 MB). Peak memory consumption was 58.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 18130.62 ms. Allocated memory was 329.8 MB in the beginning and 616.6 MB in the end (delta: 286.8 MB). Free memory was 255.0 MB in the beginning and 526.9 MB in the end (delta: -271.9 MB). Peak memory consumption was 14.9 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, 326 locations, 4 error locations. UNSAFE Result, 0.3s 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=324occurred 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: 1026]: 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_connectErr0EnsuresViolation CFG has 4 procedures, 326 locations, 4 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 408 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=324occurred 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, 0.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 1444 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 - 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, 326 locations, 4 error locations. SAFE Result, 9.0s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 6.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1396 SDtfs, 2213 SDslu, 2805 SDs, 0 SdLazy, 3513 SolverSat, 188 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 9 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=329occurred in iteration=3, 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 808 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 96181 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1064]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of bitwiseAnd at line 1249. Possible FailurePath: [L1065] EXPR, FCALL malloc(sizeof(SSL)) VAL [malloc(sizeof(SSL))={4294967321:0}] [L1065] SSL *s = (SSL*)malloc(sizeof(SSL)) ; VAL [malloc(sizeof(SSL))={4294967321:0}, s={4294967321:0}] [L1069] EXPR, FCALL malloc(sizeof(struct ssl3_state_st)) VAL [malloc(sizeof(SSL))={4294967321:0}, malloc(sizeof(struct ssl3_state_st))={4294967322:0}, s={4294967321:0}] [L1069] FCALL s->s3 = malloc(sizeof(struct ssl3_state_st)) VAL [malloc(sizeof(SSL))={4294967321:0}, malloc(sizeof(struct ssl3_state_st))={4294967322:0}, s={4294967321:0}] [L1070] EXPR, FCALL malloc(sizeof(SSL_CTX)) VAL [malloc(sizeof(SSL))={4294967321:0}, malloc(sizeof(SSL_CTX))={4294967304:0}, malloc(sizeof(struct ssl3_state_st))={4294967322:0}, s={4294967321:0}] [L1070] FCALL s->ctx = malloc(sizeof(SSL_CTX)) VAL [malloc(sizeof(SSL))={4294967321:0}, malloc(sizeof(SSL_CTX))={4294967304:0}, malloc(sizeof(struct ssl3_state_st))={4294967322:0}, s={4294967321:0}] [L1071] EXPR, FCALL malloc(sizeof(SSL_SESSION)) VAL [malloc(sizeof(SSL))={4294967321:0}, malloc(sizeof(SSL_CTX))={4294967304:0}, malloc(sizeof(SSL_SESSION))={4294967293:0}, malloc(sizeof(struct ssl3_state_st))={4294967322:0}, s={4294967321:0}] [L1071] FCALL s->session = malloc(sizeof(SSL_SESSION)) VAL [malloc(sizeof(SSL))={4294967321:0}, malloc(sizeof(SSL_CTX))={4294967304:0}, malloc(sizeof(SSL_SESSION))={4294967293:0}, malloc(sizeof(struct ssl3_state_st))={4294967322:0}, s={4294967321:0}] [L1072] FCALL s->state = 12292 VAL [malloc(sizeof(SSL))={4294967321:0}, malloc(sizeof(SSL_CTX))={4294967304:0}, malloc(sizeof(SSL_SESSION))={4294967293:0}, malloc(sizeof(struct ssl3_state_st))={4294967322:0}, s={4294967321:0}] [L1073] FCALL s->version = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, malloc(sizeof(SSL))={4294967321:0}, malloc(sizeof(SSL_CTX))={4294967304:0}, malloc(sizeof(SSL_SESSION))={4294967293:0}, malloc(sizeof(struct ssl3_state_st))={4294967322:0}, s={4294967321:0}] [L1074] CALL ssl3_connect(s) VAL [s={4294967321:0}] [L1080] BUF_MEM *buf ; [L1081] unsigned long tmp ; [L1082] unsigned long l ; [L1083] long num1 ; [L1084] void (*cb)() ; [L1085] int ret ; [L1086] int new_state ; [L1087] int state ; [L1088] int skip ; [L1089] int *tmp___0 = __VERIFIER_nondet_pointer() ; [L1090] int tmp___1 = __VERIFIER_nondet_int() ; [L1091] int tmp___2 = __VERIFIER_nondet_int() ; [L1092] int tmp___3 = __VERIFIER_nondet_int() ; [L1093] int tmp___4 = __VERIFIER_nondet_int() ; [L1094] int tmp___5 = __VERIFIER_nondet_int() ; [L1095] int tmp___6 = __VERIFIER_nondet_int() ; [L1096] int tmp___7 = __VERIFIER_nondet_int() ; [L1097] int tmp___8 = __VERIFIER_nondet_int() ; [L1098] long tmp___9 = __VERIFIER_nondet_long() ; [L1099] int blastFlag ; [L1102] blastFlag = 0 [L1103] FCALL s->hit=__VERIFIER_nondet_int () VAL [__VERIFIER_nondet_int ()=0, blastFlag=0, s={4294967321:0}, s={4294967321:0}, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1104] FCALL s->state = 12292 VAL [blastFlag=0, s={4294967321:0}, s={4294967321:0}, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1105] tmp = __VERIFIER_nondet_int() [L1106] cb = (void (*)())((void *)0) [L1107] ret = -1 [L1108] skip = 0 VAL [={0:0}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, skip=0, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1109] FCALL *tmp___0 = 0 VAL [={0:0}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, skip=0, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1110] EXPR, FCALL s->info_callback VAL [={0:0}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, s->info_callback={4294967292:5}, skip=0, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1110] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1111] EXPR, FCALL s->info_callback VAL [={0:0}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, s->info_callback={4294967292:5}, skip=0, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1111] cb = s->info_callback [L1119] EXPR, FCALL s->in_handshake VAL [={4294967292:5}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, s->in_handshake=-5, skip=0, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1119] FCALL s->in_handshake += 1 VAL [={4294967292:5}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, s->in_handshake=-5, skip=0, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1120] COND FALSE !(tmp___1 & 12288) VAL [={4294967292:5}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, skip=0, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1130] COND TRUE 1 VAL [={4294967292:5}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, skip=0, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1132] EXPR, FCALL s->state VAL [={4294967292:5}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, s->state=12292, skip=0, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1132] state = s->state [L1133] EXPR, FCALL s->state VAL [={4294967292:5}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, s->state=12292, skip=0, state=12292, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1133] COND TRUE s->state == 12292 [L1236] FCALL s->new_session = 1 VAL [={4294967292:5}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, skip=0, state=12292, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1237] FCALL s->state = 4096 VAL [={4294967292:5}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, skip=0, state=12292, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1238] EXPR, FCALL s->ctx VAL [={4294967292:5}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, s->ctx={4294967304:0}, skip=0, state=12292, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1238] EXPR, FCALL (s->ctx)->stats.sess_connect_renegotiate VAL [={4294967292:5}, (s->ctx)->stats.sess_connect_renegotiate=0, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, s->ctx={4294967304:0}, skip=0, state=12292, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1238] FCALL (s->ctx)->stats.sess_connect_renegotiate += 1 VAL [={4294967292:5}, (s->ctx)->stats.sess_connect_renegotiate=0, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, s->ctx={4294967304:0}, skip=0, state=12292, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1243] FCALL s->server = 0 VAL [={4294967292:5}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, skip=0, state=12292, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1244] COND TRUE (unsigned long )cb != (unsigned long )((void *)0) VAL [={4294967292:5}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, skip=0, state=12292, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1249] EXPR, FCALL s->version VAL [={4294967292:5}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, s->version=0, skip=0, state=12292, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1249] COND TRUE (s->version & 65280) != 768 [L1250] ret = -1 VAL [={4294967292:5}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, skip=0, state=12292, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1636] EXPR, FCALL s->in_handshake VAL [={4294967292:5}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, s->in_handshake=-4, skip=0, state=12292, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1636] FCALL s->in_handshake -= 1 VAL [={4294967292:5}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, s->in_handshake=-4, skip=0, state=12292, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1637] COND TRUE (unsigned long )cb != (unsigned long )((void *)0) VAL [={4294967292:5}, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, skip=0, state=12292, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1642] RET return (ret); VAL [={4294967292:5}, \result=-1, blastFlag=0, ret=-1, s={4294967321:0}, s={4294967321:0}, skip=0, state=12292, tmp=0, tmp___0={4294967324:4294967314}, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L1074] ssl3_connect(s) VAL [malloc(sizeof(SSL))={4294967321:0}, malloc(sizeof(SSL_CTX))={4294967304:0}, malloc(sizeof(SSL_SESSION))={4294967293:0}, malloc(sizeof(struct ssl3_state_st))={4294967322:0}, s={4294967321:0}, ssl3_connect(s)=-1] [L1076] return (0); VAL [\result=0, malloc(sizeof(SSL))={4294967321:0}, malloc(sizeof(SSL_CTX))={4294967304:0}, malloc(sizeof(SSL_SESSION))={4294967293:0}, malloc(sizeof(struct ssl3_state_st))={4294967322:0}, s={4294967321:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 4 procedures, 326 locations, 4 error locations. UNSAFE Result, 8.3s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 7.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1000 SDtfs, 2242 SDslu, 2339 SDs, 0 SdLazy, 1677 SolverSat, 202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 6 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=327occurred in iteration=3, 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, 3 MinimizatonAttempts, 808 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 44417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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_clnt.blast.03_true-unreach-call.i.cil.c_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-27_23-15-21-126.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/s3_clnt.blast.03_true-unreach-call.i.cil.c_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-27_23-15-21-126.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/s3_clnt.blast.03_true-unreach-call.i.cil.c_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-27_23-15-21-126.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/s3_clnt.blast.03_true-unreach-call.i.cil.c_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-27_23-15-21-126.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/s3_clnt.blast.03_true-unreach-call.i.cil.c_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-27_23-15-21-126.csv Received shutdown request...