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_imprecise.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrpbrk_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 00:28:55,158 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 00:28:55,160 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 00:28:55,172 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 00:28:55,172 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 00:28:55,173 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 00:28:55,175 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 00:28:55,176 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 00:28:55,177 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 00:28:55,178 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 00:28:55,179 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 00:28:55,179 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 00:28:55,179 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 00:28:55,181 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 00:28:55,182 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 00:28:55,184 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 00:28:55,187 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 00:28:55,189 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 00:28:55,190 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 00:28:55,191 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 00:28:55,193 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-21 00:28:55,194 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-21 00:28:55,194 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-21 00:28:55,195 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-21 00:28:55,196 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-21 00:28:55,197 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-21 00:28:55,197 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-21 00:28:55,198 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-21 00:28:55,198 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-21 00:28:55,198 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 00:28:55,199 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 00:28:55,199 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_imprecise.epf [2018-01-21 00:28:55,209 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 00:28:55,209 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 00:28:55,210 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 00:28:55,210 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 00:28:55,210 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 00:28:55,211 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-21 00:28:55,211 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 00:28:55,211 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 00:28:55,211 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 00:28:55,212 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 00:28:55,212 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 00:28:55,212 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 00:28:55,212 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 00:28:55,212 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 00:28:55,213 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 00:28:55,213 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 00:28:55,213 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 00:28:55,213 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 00:28:55,213 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 00:28:55,214 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 00:28:55,214 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 00:28:55,214 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 00:28:55,214 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 00:28:55,214 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 00:28:55,215 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 00:28:55,215 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 00:28:55,215 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 00:28:55,215 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 00:28:55,215 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 00:28:55,215 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 00:28:55,216 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 00:28:55,216 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 00:28:55,216 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 00:28:55,216 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 00:28:55,216 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 00:28:55,217 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 00:28:55,217 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 00:28:55,218 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 00:28:55,218 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 00:28:55,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 00:28:55,265 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 00:28:55,269 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 00:28:55,270 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 00:28:55,271 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 00:28:55,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrpbrk_unsafe_false-valid-deref.i [2018-01-21 00:28:55,437 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 00:28:55,441 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 00:28:55,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 00:28:55,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 00:28:55,447 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 00:28:55,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 12:28:55" (1/1) ... [2018-01-21 00:28:55,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726014cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:28:55, skipping insertion in model container [2018-01-21 00:28:55,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 12:28:55" (1/1) ... [2018-01-21 00:28:55,467 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 00:28:55,508 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 00:28:55,617 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 00:28:55,634 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 00:28:55,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:28:55 WrapperNode [2018-01-21 00:28:55,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 00:28:55,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 00:28:55,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 00:28:55,643 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 00:28:55,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:28:55" (1/1) ... [2018-01-21 00:28:55,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:28:55" (1/1) ... [2018-01-21 00:28:55,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:28:55" (1/1) ... [2018-01-21 00:28:55,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:28:55" (1/1) ... [2018-01-21 00:28:55,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:28:55" (1/1) ... [2018-01-21 00:28:55,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:28:55" (1/1) ... [2018-01-21 00:28:55,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:28:55" (1/1) ... [2018-01-21 00:28:55,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 00:28:55,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 00:28:55,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 00:28:55,675 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 00:28:55,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:28:55" (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 00:28:55,721 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 00:28:55,722 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 00:28:55,722 INFO L136 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-01-21 00:28:55,722 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrpbrk [2018-01-21 00:28:55,722 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 00:28:55,722 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 00:28:55,722 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 00:28:55,722 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 00:28:55,723 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 00:28:55,723 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 00:28:55,723 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 00:28:55,723 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 00:28:55,723 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 00:28:55,723 INFO L128 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-01-21 00:28:55,723 INFO L128 BoogieDeclarations]: Found specification of procedure cstrpbrk [2018-01-21 00:28:55,724 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 00:28:55,724 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 00:28:55,724 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 00:28:55,937 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 00:28:55,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 12:28:55 BoogieIcfgContainer [2018-01-21 00:28:55,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 00:28:55,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 00:28:55,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 00:28:55,940 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 00:28:55,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 12:28:55" (1/3) ... [2018-01-21 00:28:55,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686451e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 12:28:55, skipping insertion in model container [2018-01-21 00:28:55,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:28:55" (2/3) ... [2018-01-21 00:28:55,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686451e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 12:28:55, skipping insertion in model container [2018-01-21 00:28:55,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 12:28:55" (3/3) ... [2018-01-21 00:28:55,943 INFO L105 eAbstractionObserver]: Analyzing ICFG cstrpbrk_unsafe_false-valid-deref.i [2018-01-21 00:28:55,949 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 00:28:55,955 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-01-21 00:28:55,992 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:28:55,992 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:28:55,993 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:28:55,993 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:28:55,993 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:28:55,993 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:28:55,993 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:28:55,993 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == build_nondet_StringErr0EnsuresViolation======== [2018-01-21 00:28:55,994 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:28:56,012 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-01-21 00:28:56,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-21 00:28:56,018 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:28:56,019 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:28:56,020 INFO L371 AbstractCegarLoop]: === Iteration 1 === [build_nondet_StringErr0EnsuresViolation]=== [2018-01-21 00:28:56,024 INFO L82 PathProgramCache]: Analyzing trace with hash 952495694, now seen corresponding path program 1 times [2018-01-21 00:28:56,026 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:28:56,067 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:28:56,068 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:28:56,068 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:28:56,068 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:28:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:28:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:28:56,166 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 00:28:56,174 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:28:56,176 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:28:56,187 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:28:56,187 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:28:56,187 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:28:56,187 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:28:56,187 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:28:56,187 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:28:56,188 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:28:56,188 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 00:28:56,188 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:28:56,190 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-01-21 00:28:56,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 00:28:56,191 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:28:56,191 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 00:28:56,191 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 00:28:56,192 INFO L82 PathProgramCache]: Analyzing trace with hash 114200, now seen corresponding path program 1 times [2018-01-21 00:28:56,192 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:28:56,193 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:28:56,194 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:28:56,194 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:28:56,194 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:28:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:28:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:28:56,207 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 00:28:56,208 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:28:56,211 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:28:56,211 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:28:56,211 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:28:56,211 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:28:56,211 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:28:56,212 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:28:56,212 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:28:56,212 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == cstrpbrkErr0EnsuresViolation======== [2018-01-21 00:28:56,212 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:28:56,215 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-01-21 00:28:56,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-21 00:28:56,217 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:28:56,217 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:28:56,217 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstrpbrkErr0EnsuresViolation]=== [2018-01-21 00:28:56,218 INFO L82 PathProgramCache]: Analyzing trace with hash -729248053, now seen corresponding path program 1 times [2018-01-21 00:28:56,218 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:28:56,219 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:28:56,220 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:28:56,220 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:28:56,220 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:28:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:28:56,256 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:28:56,435 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:28:56,436 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 00:28:56,437 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 00:28:56,438 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 31 with the following transitions: [2018-01-21 00:28:56,441 INFO L201 CegarAbsIntRunner]: [0], [3], [7], [8], [9], [10], [11], [14], [16], [25], [26], [28], [72], [74], [76], [81], [82], [83], [84], [85], [87], [88], [89] [2018-01-21 00:28:56,488 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 00:28:56,488 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 00:28:56,584 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 00:28:56,586 INFO L268 AbstractInterpreter]: Visited 13 different actions 13 times. Never merged. Never widened. Never found a fixpoint. Largest state had 18 variables. [2018-01-21 00:28:56,597 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 00:28:56,688 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 62.31% of their original sizes. [2018-01-21 00:28:56,688 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 00:28:56,819 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 00:28:56,820 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-21 00:28:56,820 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 12 [2018-01-21 00:28:56,820 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:28:56,823 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-21 00:28:56,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-21 00:28:56,826 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-01-21 00:28:56,828 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 10 states. [2018-01-21 00:28:58,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:28:58,222 INFO L93 Difference]: Finished difference Result 100 states and 117 transitions. [2018-01-21 00:28:58,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-21 00:28:58,224 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2018-01-21 00:28:58,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:28:58,231 INFO L225 Difference]: With dead ends: 100 [2018-01-21 00:28:58,232 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:28:58,235 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-01-21 00:28:58,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:28:58,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:28:58,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:28:58,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:28:58,263 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-21 00:28:58,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:28:58,264 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:28:58,264 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-21 00:28:58,264 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:28:58,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:28:58,268 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:28:58,268 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:28:58,270 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:28:58,270 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:28:58,270 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:28:58,271 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:28:58,271 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:28:58,271 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 00:28:58,271 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:28:58,272 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-01-21 00:28:58,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-01-21 00:28:58,274 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:28:58,275 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:28:58,275 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 00:28:58,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1885767685, now seen corresponding path program 1 times [2018-01-21 00:28:58,275 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:28:58,276 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:28:58,276 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:28:58,277 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:28:58,277 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:28:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:28:58,296 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:28:58,347 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:28:58,347 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 00:28:58,347 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 00:28:58,347 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 40 with the following transitions: [2018-01-21 00:28:58,348 INFO L201 CegarAbsIntRunner]: [0], [3], [7], [8], [9], [10], [11], [14], [16], [18], [19], [20], [21], [22], [23], [25], [26], [28], [72], [74], [75], [80], [81], [82], [83], [84], [85], [86], [87], [88], [89], [90] [2018-01-21 00:28:58,349 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 00:28:58,350 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 00:28:58,373 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 00:28:58,374 INFO L268 AbstractInterpreter]: Visited 13 different actions 13 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-01-21 00:28:58,381 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 00:28:58,412 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 62.31% of their original sizes. [2018-01-21 00:28:58,413 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 00:28:58,481 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 00:28:58,481 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-21 00:28:58,481 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 12 [2018-01-21 00:28:58,482 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:28:58,482 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-21 00:28:58,482 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-21 00:28:58,482 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-01-21 00:28:58,483 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 10 states. [2018-01-21 00:28:59,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:28:59,483 INFO L93 Difference]: Finished difference Result 100 states and 117 transitions. [2018-01-21 00:28:59,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-21 00:28:59,484 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 39 [2018-01-21 00:28:59,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:28:59,487 INFO L225 Difference]: With dead ends: 100 [2018-01-21 00:28:59,487 INFO L226 Difference]: Without dead ends: 46 [2018-01-21 00:28:59,487 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-01-21 00:28:59,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-01-21 00:28:59,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-01-21 00:28:59,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-01-21 00:28:59,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2018-01-21 00:28:59,500 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 39 [2018-01-21 00:28:59,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:28:59,501 INFO L432 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2018-01-21 00:28:59,501 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-21 00:28:59,501 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-01-21 00:28:59,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-01-21 00:28:59,503 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:28:59,503 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:28:59,503 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 00:28:59,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1278608538, now seen corresponding path program 1 times [2018-01-21 00:28:59,504 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:28:59,505 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:28:59,505 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:28:59,505 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:28:59,505 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:28:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:28:59,521 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:28:59,559 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:28:59,560 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 00:28:59,560 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 00:28:59,560 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 42 with the following transitions: [2018-01-21 00:28:59,560 INFO L201 CegarAbsIntRunner]: [0], [5], [7], [8], [9], [10], [11], [14], [16], [18], [19], [20], [21], [22], [23], [25], [26], [28], [32], [33], [36], [74], [75], [80], [81], [82], [83], [84], [85], [86], [87], [88], [89], [90] [2018-01-21 00:28:59,562 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 00:28:59,562 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 00:28:59,583 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 00:28:59,584 INFO L268 AbstractInterpreter]: Visited 13 different actions 13 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-01-21 00:28:59,610 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 00:28:59,637 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 63.71% of their original sizes. [2018-01-21 00:28:59,637 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 00:28:59,750 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 00:28:59,750 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-21 00:28:59,750 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 12 [2018-01-21 00:28:59,750 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:28:59,751 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-21 00:28:59,752 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-21 00:28:59,752 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-01-21 00:28:59,752 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 10 states. [2018-01-21 00:28:59,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:28:59,866 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2018-01-21 00:28:59,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-21 00:28:59,867 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2018-01-21 00:28:59,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:28:59,867 INFO L225 Difference]: With dead ends: 53 [2018-01-21 00:28:59,867 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:28:59,868 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-01-21 00:28:59,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:28:59,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:28:59,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:28:59,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:28:59,869 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-01-21 00:28:59,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:28:59,869 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:28:59,869 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-21 00:28:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:28:59,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:28:59,870 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:28:59,870 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:28:59,870 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:28:59,870 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:28:59,870 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:28:59,870 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:28:59,870 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:28:59,870 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 00:28:59,870 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:28:59,871 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-01-21 00:28:59,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-01-21 00:28:59,872 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:28:59,872 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:28:59,872 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 00:28:59,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1177379984, now seen corresponding path program 1 times [2018-01-21 00:28:59,872 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:28:59,873 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:28:59,873 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:28:59,873 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:28:59,873 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:28:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:28:59,886 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:28:59,936 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:28:59,937 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 00:28:59,937 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 00:28:59,937 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 38 with the following transitions: [2018-01-21 00:28:59,937 INFO L201 CegarAbsIntRunner]: [0], [3], [7], [8], [9], [10], [11], [14], [16], [18], [19], [20], [21], [22], [24], [25], [26], [28], [72], [74], [75], [81], [82], [83], [84], [85], [86], [87], [88], [89] [2018-01-21 00:28:59,939 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 00:28:59,939 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 00:28:59,957 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 00:28:59,957 INFO L268 AbstractInterpreter]: Visited 13 different actions 13 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-01-21 00:28:59,958 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 00:28:59,973 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 62.31% of their original sizes. [2018-01-21 00:28:59,974 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 00:29:00,023 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 00:29:00,023 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-21 00:29:00,023 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 12 [2018-01-21 00:29:00,023 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:29:00,024 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-21 00:29:00,024 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-21 00:29:00,024 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-01-21 00:29:00,024 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 10 states. [2018-01-21 00:29:00,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:29:00,760 INFO L93 Difference]: Finished difference Result 100 states and 117 transitions. [2018-01-21 00:29:00,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-21 00:29:00,761 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2018-01-21 00:29:00,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:29:00,762 INFO L225 Difference]: With dead ends: 100 [2018-01-21 00:29:00,762 INFO L226 Difference]: Without dead ends: 44 [2018-01-21 00:29:00,763 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-01-21 00:29:00,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-01-21 00:29:00,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-01-21 00:29:00,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-01-21 00:29:00,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2018-01-21 00:29:00,769 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 37 [2018-01-21 00:29:00,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:29:00,769 INFO L432 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2018-01-21 00:29:00,770 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-21 00:29:00,770 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2018-01-21 00:29:00,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-01-21 00:29:00,771 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:29:00,771 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:29:00,771 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-21 00:29:00,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1290288177, now seen corresponding path program 1 times [2018-01-21 00:29:00,772 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:29:00,773 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:29:00,773 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:29:00,773 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:29:00,773 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:29:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:29:00,786 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:29:00,844 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:29:00,844 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 00:29:00,844 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 00:29:00,845 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 40 with the following transitions: [2018-01-21 00:29:00,845 INFO L201 CegarAbsIntRunner]: [0], [5], [7], [8], [9], [10], [11], [14], [16], [18], [19], [20], [21], [22], [24], [25], [26], [28], [32], [33], [36], [74], [75], [81], [82], [83], [84], [85], [86], [87], [88], [89] [2018-01-21 00:29:00,846 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 00:29:00,846 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 00:29:00,865 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 00:29:00,865 INFO L268 AbstractInterpreter]: Visited 13 different actions 13 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-01-21 00:29:00,867 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 00:29:00,890 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 63.71% of their original sizes. [2018-01-21 00:29:00,891 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 00:29:00,928 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 00:29:00,929 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-21 00:29:00,929 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 12 [2018-01-21 00:29:00,929 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:29:00,929 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-21 00:29:00,929 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-21 00:29:00,930 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-01-21 00:29:00,930 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 10 states. [2018-01-21 00:29:01,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:29:01,049 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-01-21 00:29:01,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-21 00:29:01,049 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 39 [2018-01-21 00:29:01,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:29:01,050 INFO L225 Difference]: With dead ends: 51 [2018-01-21 00:29:01,050 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:29:01,050 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-01-21 00:29:01,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:29:01,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:29:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:29:01,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:29:01,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2018-01-21 00:29:01,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:29:01,052 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:29:01,052 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-21 00:29:01,052 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:29:01,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:29:01,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 12:29:01 BoogieIcfgContainer [2018-01-21 00:29:01,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 00:29:01,056 INFO L168 Benchmark]: Toolchain (without parser) took 5618.48 ms. Allocated memory was 306.7 MB in the beginning and 548.9 MB in the end (delta: 242.2 MB). Free memory was 263.6 MB in the beginning and 336.8 MB in the end (delta: -73.1 MB). Peak memory consumption was 169.1 MB. Max. memory is 5.3 GB. [2018-01-21 00:29:01,057 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 306.7 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 00:29:01,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.80 ms. Allocated memory is still 306.7 MB. Free memory was 263.6 MB in the beginning and 253.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-21 00:29:01,057 INFO L168 Benchmark]: Boogie Preprocessor took 31.87 ms. Allocated memory is still 306.7 MB. Free memory was 253.7 MB in the beginning and 251.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 00:29:01,058 INFO L168 Benchmark]: RCFGBuilder took 262.94 ms. Allocated memory is still 306.7 MB. Free memory was 251.7 MB in the beginning and 232.7 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. [2018-01-21 00:29:01,058 INFO L168 Benchmark]: TraceAbstraction took 5117.01 ms. Allocated memory was 306.7 MB in the beginning and 548.9 MB in the end (delta: 242.2 MB). Free memory was 232.7 MB in the beginning and 336.8 MB in the end (delta: -104.0 MB). Peak memory consumption was 138.2 MB. Max. memory is 5.3 GB. [2018-01-21 00:29:01,060 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 269.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 199.80 ms. Allocated memory is still 306.7 MB. Free memory was 263.6 MB in the beginning and 253.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 31.87 ms. Allocated memory is still 306.7 MB. Free memory was 253.7 MB in the beginning and 251.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 262.94 ms. Allocated memory is still 306.7 MB. Free memory was 251.7 MB in the beginning and 232.7 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5117.01 ms. Allocated memory was 306.7 MB in the beginning and 548.9 MB in the end (delta: 242.2 MB). Free memory was 232.7 MB in the beginning and 336.8 MB in the end (delta: -104.0 MB). Peak memory consumption was 138.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 12 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 82 LocStat_NO_SUPPORTING_DISEQUALITIES : 12 LocStat_NO_DISJUNCTIONS : -24 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 19 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 34 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 19 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.088390 RENAME_VARIABLES(MILLISECONDS) : 0.530087 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.020059 PROJECTAWAY(MILLISECONDS) : 0.064777 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.000986 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.613333 ADD_EQUALITY(MILLISECONDS) : 0.051456 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.063739 #CONJOIN_DISJUNCTIVE : 26 #RENAME_VARIABLES : 35 #UNFREEZE : 0 #CONJOIN : 47 #PROJECTAWAY : 35 #ADD_WEAK_EQUALITY : 5 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 35 #ADD_EQUALITY : 35 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 12 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 82 LocStat_NO_SUPPORTING_DISEQUALITIES : 12 LocStat_NO_DISJUNCTIONS : -24 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 19 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 34 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 19 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.389656 RENAME_VARIABLES(MILLISECONDS) : 0.167609 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.360777 PROJECTAWAY(MILLISECONDS) : 0.016887 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001133 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.195312 ADD_EQUALITY(MILLISECONDS) : 0.019680 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.020340 #CONJOIN_DISJUNCTIVE : 26 #RENAME_VARIABLES : 35 #UNFREEZE : 0 #CONJOIN : 47 #PROJECTAWAY : 37 #ADD_WEAK_EQUALITY : 5 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 35 #ADD_EQUALITY : 35 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 12 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 82 LocStat_NO_SUPPORTING_DISEQUALITIES : 8 LocStat_NO_DISJUNCTIONS : -24 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 19 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 34 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 19 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.333122 RENAME_VARIABLES(MILLISECONDS) : 0.138966 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.303081 PROJECTAWAY(MILLISECONDS) : 0.018315 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001165 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.165775 ADD_EQUALITY(MILLISECONDS) : 0.019846 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.019381 #CONJOIN_DISJUNCTIVE : 25 #RENAME_VARIABLES : 35 #UNFREEZE : 0 #CONJOIN : 46 #PROJECTAWAY : 37 #ADD_WEAK_EQUALITY : 5 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 35 #ADD_EQUALITY : 35 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 12 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 82 LocStat_NO_SUPPORTING_DISEQUALITIES : 12 LocStat_NO_DISJUNCTIONS : -24 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 19 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 34 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 19 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.305995 RENAME_VARIABLES(MILLISECONDS) : 0.080205 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.289238 PROJECTAWAY(MILLISECONDS) : 0.011236 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001309 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.094283 ADD_EQUALITY(MILLISECONDS) : 0.016223 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.016515 #CONJOIN_DISJUNCTIVE : 26 #RENAME_VARIABLES : 35 #UNFREEZE : 0 #CONJOIN : 47 #PROJECTAWAY : 35 #ADD_WEAK_EQUALITY : 5 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 35 #ADD_EQUALITY : 35 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 12 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 82 LocStat_NO_SUPPORTING_DISEQUALITIES : 8 LocStat_NO_DISJUNCTIONS : -24 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 19 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 34 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 19 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.261454 RENAME_VARIABLES(MILLISECONDS) : 0.129628 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.237724 PROJECTAWAY(MILLISECONDS) : 0.014426 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001183 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.149853 ADD_EQUALITY(MILLISECONDS) : 0.015797 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.016661 #CONJOIN_DISJUNCTIVE : 25 #RENAME_VARIABLES : 35 #UNFREEZE : 0 #CONJOIN : 46 #PROJECTAWAY : 35 #ADD_WEAK_EQUALITY : 5 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 35 #ADD_EQUALITY : 35 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 * 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: [L565] 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, 51 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=51occurred 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, 51 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=51occurred 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: cstrpbrkErr0EnsuresViolation CFG has 5 procedures, 51 locations, 5 error locations. SAFE Result, 2.0s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 111 SDslu, 33 SDs, 0 SdLazy, 201 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.964957934785521 AbsIntWeakeningRatio, 1.3448275862068966 AbsIntAvgWeakeningVarsNumRemoved, 1.5862068965517242 AbsIntAvgWeakenedConjuncts, 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, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 1363 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 0/8 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, 51 locations, 5 error locations. SAFE Result, 1.6s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 42 SDtfs, 67 SDslu, 39 SDs, 0 SdLazy, 242 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 84 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred 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, 2 AbstIntIterations, 2 AbstIntStrong, 0.9739430797123103 AbsIntWeakeningRatio, 1.2179487179487178 AbsIntAvgWeakeningVarsNumRemoved, 1.205128205128205 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, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 4448 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 0/16 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 564]: 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, 51 locations, 5 error locations. SAFE Result, 1.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 42 SDtfs, 126 SDslu, 38 SDs, 0 SdLazy, 238 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 80 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred 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, 2 AbstIntIterations, 2 AbstIntStrong, 0.9725345975345974 AbsIntWeakeningRatio, 1.2567567567567568 AbsIntAvgWeakeningVarsNumRemoved, 1.2702702702702702 AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 4072 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 0/16 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_00-29-01-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-VPDomainBenchmark-0-2018-01-21_00-29-01-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-0-2018-01-21_00-29-01-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-VPDomainBenchmark-1-2018-01-21_00-29-01-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-1-2018-01-21_00-29-01-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-VPDomainBenchmark-2-2018-01-21_00-29-01-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-2-2018-01-21_00-29-01-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-VPDomainBenchmark-3-2018-01-21_00-29-01-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-3-2018-01-21_00-29-01-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-VPDomainBenchmark-4-2018-01-21_00-29-01-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-4-2018-01-21_00-29-01-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_00-29-01-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_00-29-01-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_00-29-01-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_00-29-01-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_00-29-01-080.csv Received shutdown request...