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_Taipan+AI_EQ_mostprecise.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrlen_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 02:45:12,135 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 02:45:12,137 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 02:45:12,153 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 02:45:12,153 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 02:45:12,154 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 02:45:12,155 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 02:45:12,157 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 02:45:12,159 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 02:45:12,160 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 02:45:12,161 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 02:45:12,161 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 02:45:12,162 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 02:45:12,164 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 02:45:12,165 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 02:45:12,167 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 02:45:12,170 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 02:45:12,172 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 02:45:12,173 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 02:45:12,175 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 02:45:12,177 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 02:45:12,182 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 02:45:12,183 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 02:45:12,183 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf [2018-01-21 02:45:12,193 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 02:45:12,193 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 02:45:12,194 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 02:45:12,194 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 02:45:12,194 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 02:45:12,195 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 02:45:12,195 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 02:45:12,195 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 02:45:12,195 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 02:45:12,195 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 02:45:12,195 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 02:45:12,196 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 02:45:12,196 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 02:45:12,196 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 02:45:12,196 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 02:45:12,196 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 02:45:12,196 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 02:45:12,196 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 02:45:12,197 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 02:45:12,197 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 02:45:12,197 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 02:45:12,197 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 02:45:12,197 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 02:45:12,197 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 02:45:12,198 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 02:45:12,198 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 02:45:12,198 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 02:45:12,198 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 02:45:12,198 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 02:45:12,199 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 02:45:12,199 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 02:45:12,199 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 02:45:12,199 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 02:45:12,199 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 02:45:12,199 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 02:45:12,199 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 02:45:12,199 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 02:45:12,199 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 02:45:12,200 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 02:45:12,200 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 02:45:12,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 02:45:12,245 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 02:45:12,248 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 02:45:12,250 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 02:45:12,250 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 02:45:12,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrlen_unsafe_false-valid-deref.i [2018-01-21 02:45:12,412 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 02:45:12,417 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 02:45:12,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 02:45:12,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 02:45:12,424 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 02:45:12,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 02:45:12" (1/1) ... [2018-01-21 02:45:12,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c340cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:45:12, skipping insertion in model container [2018-01-21 02:45:12,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 02:45:12" (1/1) ... [2018-01-21 02:45:12,442 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 02:45:12,481 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 02:45:12,600 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 02:45:12,618 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 02:45:12,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:45:12 WrapperNode [2018-01-21 02:45:12,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 02:45:12,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 02:45:12,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 02:45:12,628 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 02:45:12,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:45:12" (1/1) ... [2018-01-21 02:45:12,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:45:12" (1/1) ... [2018-01-21 02:45:12,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:45:12" (1/1) ... [2018-01-21 02:45:12,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:45:12" (1/1) ... [2018-01-21 02:45:12,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:45:12" (1/1) ... [2018-01-21 02:45:12,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:45:12" (1/1) ... [2018-01-21 02:45:12,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:45:12" (1/1) ... [2018-01-21 02:45:12,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 02:45:12,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 02:45:12,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 02:45:12,667 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 02:45:12,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:45:12" (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 [2018-01-21 02:45:12,733 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 02:45:12,733 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 02:45:12,734 INFO L136 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-01-21 02:45:12,734 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrlen [2018-01-21 02:45:12,734 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 02:45:12,734 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 02:45:12,734 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 02:45:12,734 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 02:45:12,734 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 02:45:12,734 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 02:45:12,734 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 02:45:12,735 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 02:45:12,735 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 02:45:12,735 INFO L128 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-01-21 02:45:12,735 INFO L128 BoogieDeclarations]: Found specification of procedure cstrlen [2018-01-21 02:45:12,735 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 02:45:12,735 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 02:45:12,736 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 02:45:12,919 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 02:45:12,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 02:45:12 BoogieIcfgContainer [2018-01-21 02:45:12,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 02:45:12,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 02:45:12,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 02:45:12,922 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 02:45:12,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 02:45:12" (1/3) ... [2018-01-21 02:45:12,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232396f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 02:45:12, skipping insertion in model container [2018-01-21 02:45:12,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:45:12" (2/3) ... [2018-01-21 02:45:12,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232396f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 02:45:12, skipping insertion in model container [2018-01-21 02:45:12,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 02:45:12" (3/3) ... [2018-01-21 02:45:12,928 INFO L105 eAbstractionObserver]: Analyzing ICFG cstrlen_unsafe_false-valid-deref.i [2018-01-21 02:45:12,937 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 02:45:12,946 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-01-21 02:45:13,000 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:45:13,000 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:45:13,000 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:45:13,001 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:45:13,001 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:45:13,001 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:45:13,001 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:45:13,001 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == build_nondet_StringErr0EnsuresViolation======== [2018-01-21 02:45:13,002 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:45:13,030 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2018-01-21 02:45:13,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-21 02:45:13,041 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:45:13,042 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 02:45:13,042 INFO L371 AbstractCegarLoop]: === Iteration 1 === [build_nondet_StringErr0EnsuresViolation]=== [2018-01-21 02:45:13,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1563563532, now seen corresponding path program 1 times [2018-01-21 02:45:13,055 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:45:13,119 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:45:13,119 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:45:13,119 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:45:13,120 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:45:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 02:45:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 02:45:13,250 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 02:45:13,264 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 02:45:13,266 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 02:45:13,281 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:45:13,281 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:45:13,282 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:45:13,282 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:45:13,282 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:45:13,282 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:45:13,282 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:45:13,282 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 02:45:13,282 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:45:13,284 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2018-01-21 02:45:13,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 02:45:13,285 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:45:13,285 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 02:45:13,285 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 02:45:13,285 INFO L82 PathProgramCache]: Analyzing trace with hash 78515, now seen corresponding path program 1 times [2018-01-21 02:45:13,285 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:45:13,287 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:45:13,287 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:45:13,287 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:45:13,287 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:45:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 02:45:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 02:45:13,300 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 02:45:13,301 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 02:45:13,303 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:45:13,303 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:45:13,303 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:45:13,303 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:45:13,304 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:45:13,304 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:45:13,304 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:45:13,304 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == cstrlenErr0EnsuresViolation======== [2018-01-21 02:45:13,304 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:45:13,306 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2018-01-21 02:45:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-21 02:45:13,307 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:45:13,307 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 02:45:13,307 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstrlenErr0EnsuresViolation]=== [2018-01-21 02:45:13,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1743696405, now seen corresponding path program 1 times [2018-01-21 02:45:13,307 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:45:13,309 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:45:13,309 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:45:13,309 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:45:13,309 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:45:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:45:13,335 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:45:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 02:45:13,381 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:45:13,382 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 02:45:13,382 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:45:13,384 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 02:45:13,460 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 02:45:13,460 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 02:45:13,462 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 2 states. [2018-01-21 02:45:13,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:45:13,481 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2018-01-21 02:45:13,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 02:45:13,482 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-01-21 02:45:13,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:45:13,489 INFO L225 Difference]: With dead ends: 47 [2018-01-21 02:45:13,489 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 02:45:13,492 INFO L525 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 [2018-01-21 02:45:13,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 02:45:13,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 02:45:13,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 02:45:13,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 02:45:13,515 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2018-01-21 02:45:13,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:45:13,515 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 02:45:13,515 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 02:45:13,515 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 02:45:13,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 02:45:13,518 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:45:13,518 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:45:13,518 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:45:13,518 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:45:13,519 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:45:13,519 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:45:13,519 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:45:13,519 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 02:45:13,519 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:45:13,521 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2018-01-21 02:45:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 02:45:13,522 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:45:13,523 INFO L322 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] [2018-01-21 02:45:13,523 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 02:45:13,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1534295287, now seen corresponding path program 1 times [2018-01-21 02:45:13,523 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:45:13,524 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:45:13,524 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:45:13,525 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:45:13,525 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:45:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:45:13,542 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:45:13,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 02:45:13,566 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:45:13,566 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 02:45:13,566 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:45:13,567 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 02:45:13,567 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 02:45:13,567 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 02:45:13,567 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 2 states. [2018-01-21 02:45:13,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:45:13,572 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2018-01-21 02:45:13,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 02:45:13,572 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-01-21 02:45:13,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:45:13,575 INFO L225 Difference]: With dead ends: 47 [2018-01-21 02:45:13,576 INFO L226 Difference]: Without dead ends: 30 [2018-01-21 02:45:13,576 INFO L525 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 [2018-01-21 02:45:13,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-01-21 02:45:13,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-01-21 02:45:13,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-01-21 02:45:13,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2018-01-21 02:45:13,588 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 27 [2018-01-21 02:45:13,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:45:13,588 INFO L432 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2018-01-21 02:45:13,588 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 02:45:13,589 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-01-21 02:45:13,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 02:45:13,590 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:45:13,590 INFO L322 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] [2018-01-21 02:45:13,590 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 02:45:13,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1461842691, now seen corresponding path program 1 times [2018-01-21 02:45:13,590 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:45:13,591 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:45:13,591 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:45:13,591 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:45:13,592 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:45:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:45:13,610 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:45:13,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 02:45:13,673 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:45:13,673 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 02:45:13,673 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:45:13,674 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 02:45:13,675 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 02:45:13,675 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 02:45:13,675 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 4 states. [2018-01-21 02:45:13,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:45:13,725 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2018-01-21 02:45:13,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 02:45:13,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-01-21 02:45:13,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:45:13,726 INFO L225 Difference]: With dead ends: 30 [2018-01-21 02:45:13,726 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 02:45:13,727 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 02:45:13,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 02:45:13,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 02:45:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 02:45:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 02:45:13,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 02:45:13,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:45:13,728 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 02:45:13,728 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 02:45:13,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 02:45:13,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 02:45:13,730 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:45:13,731 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:45:13,731 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:45:13,731 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:45:13,731 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:45:13,731 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:45:13,731 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:45:13,731 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 02:45:13,731 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:45:13,733 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2018-01-21 02:45:13,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-21 02:45:13,734 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:45:13,734 INFO L322 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] [2018-01-21 02:45:13,735 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 02:45:13,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1078690336, now seen corresponding path program 1 times [2018-01-21 02:45:13,735 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:45:13,736 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:45:13,736 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:45:13,736 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:45:13,736 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:45:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:45:13,748 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:45:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 02:45:13,764 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:45:13,764 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 02:45:13,764 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:45:13,764 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 02:45:13,764 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 02:45:13,765 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 02:45:13,765 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 2 states. [2018-01-21 02:45:13,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:45:13,769 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2018-01-21 02:45:13,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 02:45:13,769 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-01-21 02:45:13,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:45:13,770 INFO L225 Difference]: With dead ends: 47 [2018-01-21 02:45:13,770 INFO L226 Difference]: Without dead ends: 28 [2018-01-21 02:45:13,771 INFO L525 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 [2018-01-21 02:45:13,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-01-21 02:45:13,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-01-21 02:45:13,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-01-21 02:45:13,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2018-01-21 02:45:13,776 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 25 [2018-01-21 02:45:13,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:45:13,776 INFO L432 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2018-01-21 02:45:13,776 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 02:45:13,777 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-01-21 02:45:13,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 02:45:13,778 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:45:13,778 INFO L322 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] [2018-01-21 02:45:13,778 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-21 02:45:13,778 INFO L82 PathProgramCache]: Analyzing trace with hash -788112474, now seen corresponding path program 1 times [2018-01-21 02:45:13,778 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:45:13,779 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:45:13,780 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:45:13,780 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:45:13,780 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:45:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:45:13,793 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:45:13,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 02:45:13,827 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:45:13,828 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 02:45:13,828 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:45:13,828 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 02:45:13,829 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 02:45:13,829 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 02:45:13,829 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 4 states. [2018-01-21 02:45:13,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:45:13,846 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2018-01-21 02:45:13,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 02:45:13,847 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-01-21 02:45:13,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:45:13,847 INFO L225 Difference]: With dead ends: 28 [2018-01-21 02:45:13,847 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 02:45:13,847 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 02:45:13,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 02:45:13,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 02:45:13,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 02:45:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 02:45:13,848 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-21 02:45:13,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:45:13,848 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 02:45:13,848 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 02:45:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 02:45:13,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 02:45:13,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 02:45:13 BoogieIcfgContainer [2018-01-21 02:45:13,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 02:45:13,851 INFO L168 Benchmark]: Toolchain (without parser) took 1438.22 ms. Allocated memory was 306.7 MB in the beginning and 447.2 MB in the end (delta: 140.5 MB). Free memory was 266.4 MB in the beginning and 385.4 MB in the end (delta: -118.9 MB). Peak memory consumption was 21.6 MB. Max. memory is 5.3 GB. [2018-01-21 02:45:13,852 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 306.7 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 02:45:13,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.46 ms. Allocated memory is still 306.7 MB. Free memory was 265.5 MB in the beginning and 255.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-21 02:45:13,853 INFO L168 Benchmark]: Boogie Preprocessor took 38.29 ms. Allocated memory is still 306.7 MB. Free memory was 255.4 MB in the beginning and 254.4 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-21 02:45:13,853 INFO L168 Benchmark]: RCFGBuilder took 253.08 ms. Allocated memory is still 306.7 MB. Free memory was 253.4 MB in the beginning and 238.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. [2018-01-21 02:45:13,853 INFO L168 Benchmark]: TraceAbstraction took 930.57 ms. Allocated memory was 306.7 MB in the beginning and 447.2 MB in the end (delta: 140.5 MB). Free memory was 238.4 MB in the beginning and 385.4 MB in the end (delta: -147.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 02:45:13,855 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 306.7 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 209.46 ms. Allocated memory is still 306.7 MB. Free memory was 265.5 MB in the beginning and 255.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.29 ms. Allocated memory is still 306.7 MB. Free memory was 255.4 MB in the beginning and 254.4 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 253.08 ms. Allocated memory is still 306.7 MB. Free memory was 253.4 MB in the beginning and 238.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 930.57 ms. Allocated memory was 306.7 MB in the beginning and 447.2 MB in the end (delta: 140.5 MB). Free memory was 238.4 MB in the beginning and 385.4 MB in the end (delta: -147.0 MB). There was no memory consumed. 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) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 540]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L557] CALL build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 VAL [length=1] [L545] EXPR, FCALL malloc(length * sizeof(char)) VAL [length=1, malloc(length * sizeof(char))={3:0}] [L545] char* nondetString = (char*) malloc(length * sizeof(char)); VAL [length=1, malloc(length * sizeof(char))={3:0}, nondetString={3:0}] [L546] FCALL nondetString[length-1] = '\0' VAL [length=1, malloc(length * sizeof(char))={3:0}, nondetString={3:0}] [L547] return nondetString; VAL [\result={3:0}, length=1, malloc(length * sizeof(char))={3:0}, nondetString={3:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: build_nondet_StringErr0EnsuresViolation CFG has 5 procedures, 35 locations, 5 error locations. UNSAFE Result, 0.2s 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=35occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 5 procedures, 35 locations, 5 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 549]: 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: cstrlenErr0EnsuresViolation CFG has 5 procedures, 35 locations, 5 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 35 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=35occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 361 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 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 5 procedures, 35 locations, 5 error locations. SAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 46 SDtfs, 1 SDslu, 6 SDs, 0 SdLazy, 11 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 1964 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 556]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 5 procedures, 35 locations, 5 error locations. SAFE Result, 0.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 46 SDtfs, 1 SDslu, 6 SDs, 0 SdLazy, 11 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 1720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_02-45-13-862.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_02-45-13-862.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_02-45-13-862.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_02-45-13-862.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_02-45-13-862.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_02-45-13-862.csv Received shutdown request...