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_smtcomp.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrpbrk_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 10:05:23,185 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 10:05:23,187 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 10:05:23,200 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 10:05:23,200 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 10:05:23,201 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 10:05:23,202 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 10:05:23,204 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 10:05:23,206 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 10:05:23,207 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 10:05:23,208 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 10:05:23,208 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 10:05:23,208 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 10:05:23,209 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 10:05:23,210 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 10:05:23,212 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 10:05:23,215 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 10:05:23,217 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 10:05:23,218 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 10:05:23,219 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 10:05:23,222 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 10:05:23,227 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 10:05:23,228 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 10:05:23,228 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_smtcomp.epf [2018-01-21 10:05:23,239 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 10:05:23,239 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 10:05:23,240 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 10:05:23,240 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 10:05:23,240 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 10:05:23,241 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 10:05:23,241 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 10:05:23,241 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 10:05:23,242 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 10:05:23,242 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 10:05:23,242 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 10:05:23,242 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 10:05:23,243 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 10:05:23,243 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 10:05:23,243 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 10:05:23,243 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 10:05:23,243 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 10:05:23,244 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 10:05:23,244 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 10:05:23,244 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 10:05:23,244 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 10:05:23,244 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 10:05:23,245 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 10:05:23,245 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 10:05:23,245 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 10:05:23,245 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 10:05:23,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 10:05:23,246 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 10:05:23,246 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 10:05:23,246 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 10:05:23,246 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 10:05:23,246 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 10:05:23,247 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 10:05:23,247 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 10:05:23,247 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 10:05:23,247 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 10:05:23,247 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 10:05:23,248 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 10:05:23,248 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 10:05:23,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 10:05:23,297 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 10:05:23,301 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 10:05:23,302 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 10:05:23,303 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 10:05:23,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrpbrk_unsafe_false-valid-deref.i [2018-01-21 10:05:23,496 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 10:05:23,501 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 10:05:23,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 10:05:23,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 10:05:23,508 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 10:05:23,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 10:05:23" (1/1) ... [2018-01-21 10:05:23,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1014e6bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:23, skipping insertion in model container [2018-01-21 10:05:23,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 10:05:23" (1/1) ... [2018-01-21 10:05:23,531 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 10:05:23,572 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 10:05:23,690 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 10:05:23,706 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 10:05:23,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:23 WrapperNode [2018-01-21 10:05:23,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 10:05:23,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 10:05:23,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 10:05:23,714 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 10:05:23,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:23" (1/1) ... [2018-01-21 10:05:23,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:23" (1/1) ... [2018-01-21 10:05:23,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:23" (1/1) ... [2018-01-21 10:05:23,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:23" (1/1) ... [2018-01-21 10:05:23,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:23" (1/1) ... [2018-01-21 10:05:23,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:23" (1/1) ... [2018-01-21 10:05:23,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:23" (1/1) ... [2018-01-21 10:05:23,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 10:05:23,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 10:05:23,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 10:05:23,747 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 10:05:23,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:23" (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 10:05:23,795 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 10:05:23,795 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 10:05:23,796 INFO L136 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-01-21 10:05:23,796 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrpbrk [2018-01-21 10:05:23,796 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 10:05:23,796 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 10:05:23,796 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 10:05:23,796 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 10:05:23,796 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 10:05:23,797 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 10:05:23,797 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 10:05:23,797 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 10:05:23,797 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 10:05:23,797 INFO L128 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-01-21 10:05:23,797 INFO L128 BoogieDeclarations]: Found specification of procedure cstrpbrk [2018-01-21 10:05:23,798 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 10:05:23,798 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 10:05:23,798 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 10:05:24,005 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 10:05:24,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 10:05:24 BoogieIcfgContainer [2018-01-21 10:05:24,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 10:05:24,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 10:05:24,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 10:05:24,010 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 10:05:24,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 10:05:23" (1/3) ... [2018-01-21 10:05:24,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d75d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 10:05:24, skipping insertion in model container [2018-01-21 10:05:24,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:23" (2/3) ... [2018-01-21 10:05:24,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d75d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 10:05:24, skipping insertion in model container [2018-01-21 10:05:24,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 10:05:24" (3/3) ... [2018-01-21 10:05:24,014 INFO L105 eAbstractionObserver]: Analyzing ICFG cstrpbrk_unsafe_false-valid-deref.i [2018-01-21 10:05:24,023 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 10:05:24,030 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-01-21 10:05:24,068 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:05:24,068 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:05:24,068 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:05:24,068 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:05:24,068 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:05:24,069 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:05:24,069 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:05:24,069 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == build_nondet_StringErr0EnsuresViolation======== [2018-01-21 10:05:24,070 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:05:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-01-21 10:05:24,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-21 10:05:24,099 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:05:24,100 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:05:24,100 INFO L371 AbstractCegarLoop]: === Iteration 1 === [build_nondet_StringErr0EnsuresViolation]=== [2018-01-21 10:05:24,105 INFO L82 PathProgramCache]: Analyzing trace with hash 952495694, now seen corresponding path program 1 times [2018-01-21 10:05:24,108 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:05:24,152 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:24,153 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:05:24,153 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:24,153 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:05:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:05:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:05:24,238 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 10:05:24,246 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:05:24,248 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:05:24,258 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:05:24,258 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:05:24,258 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:05:24,258 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:05:24,258 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:05:24,258 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:05:24,258 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:05:24,259 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 10:05:24,259 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:05:24,260 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-01-21 10:05:24,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 10:05:24,261 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:05:24,261 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 10:05:24,261 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 10:05:24,261 INFO L82 PathProgramCache]: Analyzing trace with hash 114200, now seen corresponding path program 1 times [2018-01-21 10:05:24,261 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:05:24,262 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:24,262 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:05:24,262 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:24,262 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:05:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:05:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:05:24,274 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 10:05:24,275 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:05:24,277 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:05:24,278 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:05:24,278 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:05:24,278 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:05:24,278 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:05:24,278 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:05:24,279 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:05:24,279 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == cstrpbrkErr0EnsuresViolation======== [2018-01-21 10:05:24,279 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:05:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-01-21 10:05:24,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-21 10:05:24,283 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:05:24,284 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 10:05:24,284 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstrpbrkErr0EnsuresViolation]=== [2018-01-21 10:05:24,284 INFO L82 PathProgramCache]: Analyzing trace with hash -729248053, now seen corresponding path program 1 times [2018-01-21 10:05:24,284 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:05:24,286 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:24,286 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:05:24,286 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:24,287 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:05:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:05:24,321 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:05:24,508 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 10:05:24,510 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:05:24,510 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:05:24,511 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 31 with the following transitions: [2018-01-21 10:05:24,528 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 10:05:24,615 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:05:24,615 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 10:05:24,994 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 10:05:24,996 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 10:05:25,023 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 10:05:25,738 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 61.51% of their original sizes. [2018-01-21 10:05:25,739 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 10:05:25,998 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 10:05:25,999 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-21 10:05:26,000 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2018-01-21 10:05:26,000 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:05:26,002 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-01-21 10:05:26,005 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-01-21 10:05:26,006 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-01-21 10:05:26,007 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 11 states. [2018-01-21 10:05:30,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:05:30,810 INFO L93 Difference]: Finished difference Result 100 states and 117 transitions. [2018-01-21 10:05:30,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-21 10:05:30,812 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-01-21 10:05:30,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:05:30,818 INFO L225 Difference]: With dead ends: 100 [2018-01-21 10:05:30,818 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:05:30,822 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-01-21 10:05:30,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:05:30,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:05:30,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:05:30,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:05:30,846 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-21 10:05:30,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:05:30,846 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:05:30,846 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-01-21 10:05:30,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:05:30,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:05:30,849 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:05:30,849 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:05:30,849 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:05:30,849 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:05:30,850 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:05:30,850 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:05:30,850 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:05:30,850 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 10:05:30,850 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:05:30,851 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-01-21 10:05:30,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-01-21 10:05:30,854 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:05:30,854 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 10:05:30,854 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 10:05:30,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1885767685, now seen corresponding path program 1 times [2018-01-21 10:05:30,856 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:05:30,857 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:30,857 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:05:30,857 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:30,857 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:05:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:05:30,878 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:05:30,938 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 10:05:30,938 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:05:30,938 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:05:30,938 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 40 with the following transitions: [2018-01-21 10:05:30,939 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 10:05:30,940 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:05:30,940 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 10:05:31,057 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 10:05:31,058 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 10:05:31,060 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 10:05:31,390 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 61.51% of their original sizes. [2018-01-21 10:05:31,390 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 10:05:31,586 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 10:05:31,586 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-21 10:05:31,587 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2018-01-21 10:05:31,587 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:05:31,587 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-01-21 10:05:31,587 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-01-21 10:05:31,587 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-01-21 10:05:31,587 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 11 states. [2018-01-21 10:05:35,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:05:35,626 INFO L93 Difference]: Finished difference Result 100 states and 117 transitions. [2018-01-21 10:05:35,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-21 10:05:35,626 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2018-01-21 10:05:35,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:05:35,629 INFO L225 Difference]: With dead ends: 100 [2018-01-21 10:05:35,630 INFO L226 Difference]: Without dead ends: 46 [2018-01-21 10:05:35,631 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-01-21 10:05:35,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-01-21 10:05:35,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-01-21 10:05:35,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-01-21 10:05:35,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2018-01-21 10:05:35,647 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 39 [2018-01-21 10:05:35,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:05:35,648 INFO L432 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2018-01-21 10:05:35,648 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-01-21 10:05:35,648 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-01-21 10:05:35,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-01-21 10:05:35,650 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:05:35,650 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 10:05:35,650 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 10:05:35,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1278608538, now seen corresponding path program 1 times [2018-01-21 10:05:35,650 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:05:35,651 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:35,651 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:05:35,651 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:35,651 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:05:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:05:35,667 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:05:35,702 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 10:05:35,703 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:05:35,703 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:05:35,703 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 42 with the following transitions: [2018-01-21 10:05:35,703 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 10:05:35,705 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:05:35,705 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 10:05:35,781 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 10:05:35,781 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 10:05:35,794 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 10:05:35,916 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 61.51% of their original sizes. [2018-01-21 10:05:35,916 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 10:05:36,043 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 10:05:36,044 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-21 10:05:36,044 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2018-01-21 10:05:36,044 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:05:36,046 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-01-21 10:05:36,047 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-01-21 10:05:36,047 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-01-21 10:05:36,047 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 11 states. [2018-01-21 10:05:38,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:05:38,395 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2018-01-21 10:05:38,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-21 10:05:38,395 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 41 [2018-01-21 10:05:38,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:05:38,396 INFO L225 Difference]: With dead ends: 53 [2018-01-21 10:05:38,396 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:05:38,397 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-01-21 10:05:38,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:05:38,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:05:38,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:05:38,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:05:38,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-01-21 10:05:38,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:05:38,398 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:05:38,398 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-01-21 10:05:38,398 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:05:38,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:05:38,400 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:05:38,400 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:05:38,400 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:05:38,400 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:05:38,400 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:05:38,400 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:05:38,400 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:05:38,400 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 10:05:38,401 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:05:38,401 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-01-21 10:05:38,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-01-21 10:05:38,403 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:05:38,403 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 10:05:38,403 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 10:05:38,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1177379984, now seen corresponding path program 1 times [2018-01-21 10:05:38,403 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:05:38,404 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:38,405 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:05:38,405 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:38,405 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:05:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:05:38,417 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:05:38,448 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 10:05:38,449 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:05:38,449 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:05:38,449 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 38 with the following transitions: [2018-01-21 10:05:38,449 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 10:05:38,451 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:05:38,451 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 10:05:38,553 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 10:05:38,554 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 10:05:38,556 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 10:05:38,839 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 61.51% of their original sizes. [2018-01-21 10:05:38,839 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 10:05:39,057 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 10:05:39,057 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-21 10:05:39,057 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2018-01-21 10:05:39,057 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:05:39,058 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-01-21 10:05:39,058 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-01-21 10:05:39,058 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-01-21 10:05:39,058 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 11 states. [2018-01-21 10:05:42,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:05:42,703 INFO L93 Difference]: Finished difference Result 100 states and 117 transitions. [2018-01-21 10:05:42,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-21 10:05:42,703 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 37 [2018-01-21 10:05:42,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:05:42,704 INFO L225 Difference]: With dead ends: 100 [2018-01-21 10:05:42,704 INFO L226 Difference]: Without dead ends: 44 [2018-01-21 10:05:42,705 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-01-21 10:05:42,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-01-21 10:05:42,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-01-21 10:05:42,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-01-21 10:05:42,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2018-01-21 10:05:42,711 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 37 [2018-01-21 10:05:42,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:05:42,712 INFO L432 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2018-01-21 10:05:42,712 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-01-21 10:05:42,712 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2018-01-21 10:05:42,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-01-21 10:05:42,713 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:05:42,714 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 10:05:42,714 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-21 10:05:42,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1290288177, now seen corresponding path program 1 times [2018-01-21 10:05:42,714 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:05:42,715 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:42,715 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:05:42,715 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:42,715 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:05:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:05:42,728 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:05:42,772 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 10:05:42,772 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:05:42,772 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:05:42,772 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 40 with the following transitions: [2018-01-21 10:05:42,773 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 10:05:42,774 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:05:42,774 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 10:05:42,824 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 10:05:42,824 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 10:05:42,825 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 10:05:42,906 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 61.51% of their original sizes. [2018-01-21 10:05:42,906 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 10:05:43,113 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 10:05:43,113 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-21 10:05:43,113 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2018-01-21 10:05:43,114 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:05:43,114 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-01-21 10:05:43,114 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-01-21 10:05:43,114 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-01-21 10:05:43,115 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 11 states. [2018-01-21 10:05:45,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:05:45,380 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-01-21 10:05:45,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-21 10:05:45,380 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2018-01-21 10:05:45,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:05:45,380 INFO L225 Difference]: With dead ends: 51 [2018-01-21 10:05:45,380 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:05:45,381 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-01-21 10:05:45,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:05:45,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:05:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:05:45,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:05:45,381 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2018-01-21 10:05:45,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:05:45,381 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:05:45,381 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-01-21 10:05:45,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:05:45,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:05:45,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 10:05:45 BoogieIcfgContainer [2018-01-21 10:05:45,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 10:05:45,384 INFO L168 Benchmark]: Toolchain (without parser) took 21887.30 ms. Allocated memory was 301.5 MB in the beginning and 724.6 MB in the end (delta: 423.1 MB). Free memory was 260.4 MB in the beginning and 561.9 MB in the end (delta: -301.5 MB). Peak memory consumption was 121.6 MB. Max. memory is 5.3 GB. [2018-01-21 10:05:45,384 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 301.5 MB. Free memory is still 266.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 10:05:45,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.13 ms. Allocated memory is still 301.5 MB. Free memory was 260.4 MB in the beginning and 250.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-21 10:05:45,385 INFO L168 Benchmark]: Boogie Preprocessor took 32.83 ms. Allocated memory is still 301.5 MB. Free memory was 250.4 MB in the beginning and 248.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 10:05:45,385 INFO L168 Benchmark]: RCFGBuilder took 259.48 ms. Allocated memory is still 301.5 MB. Free memory was 248.4 MB in the beginning and 229.5 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. [2018-01-21 10:05:45,385 INFO L168 Benchmark]: TraceAbstraction took 21376.20 ms. Allocated memory was 301.5 MB in the beginning and 724.6 MB in the end (delta: 423.1 MB). Free memory was 229.5 MB in the beginning and 561.9 MB in the end (delta: -332.4 MB). Peak memory consumption was 90.7 MB. Max. memory is 5.3 GB. [2018-01-21 10:05:45,386 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 301.5 MB. Free memory is still 266.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 211.13 ms. Allocated memory is still 301.5 MB. Free memory was 260.4 MB in the beginning and 250.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.83 ms. Allocated memory is still 301.5 MB. Free memory was 250.4 MB in the beginning and 248.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 259.48 ms. Allocated memory is still 301.5 MB. Free memory was 248.4 MB in the beginning and 229.5 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 21376.20 ms. Allocated memory was 301.5 MB in the beginning and 724.6 MB in the end (delta: 423.1 MB). Free memory was 229.5 MB in the beginning and 561.9 MB in the end (delta: -332.4 MB). Peak memory consumption was 90.7 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 : 8 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 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 : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 34 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 19 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.636127 RENAME_VARIABLES(MILLISECONDS) : 17.557939 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.541341 PROJECTAWAY(MILLISECONDS) : 0.026759 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.295551 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 17.663503 ADD_EQUALITY(MILLISECONDS) : 0.069506 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.043421 #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 : 8 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 86 LocStat_NO_SUPPORTING_DISEQUALITIES : 12 LocStat_NO_DISJUNCTIONS : -24 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 19 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 34 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 19 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.968847 RENAME_VARIABLES(MILLISECONDS) : 10.581993 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.927564 PROJECTAWAY(MILLISECONDS) : 0.022381 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.075653 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 10.632503 ADD_EQUALITY(MILLISECONDS) : 0.035129 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.007413 #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 : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 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 : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 34 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 19 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.786705 RENAME_VARIABLES(MILLISECONDS) : 3.218166 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.727645 PROJECTAWAY(MILLISECONDS) : 0.016357 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.123756 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 3.276365 ADD_EQUALITY(MILLISECONDS) : 0.044028 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.007478 #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 : 8 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 86 LocStat_NO_SUPPORTING_DISEQUALITIES : 12 LocStat_NO_DISJUNCTIONS : -24 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 19 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 34 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 19 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.061914 RENAME_VARIABLES(MILLISECONDS) : 9.602241 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.014015 PROJECTAWAY(MILLISECONDS) : 0.011961 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.040968 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 9.654144 ADD_EQUALITY(MILLISECONDS) : 0.030432 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.006300 #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 : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 86 LocStat_NO_SUPPORTING_DISEQUALITIES : 8 LocStat_NO_DISJUNCTIONS : -24 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 19 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 34 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 19 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.431453 RENAME_VARIABLES(MILLISECONDS) : 2.621464 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.399683 PROJECTAWAY(MILLISECONDS) : 0.015944 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.044964 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 2.664480 ADD_EQUALITY(MILLISECONDS) : 0.034249 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.044901 #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, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 6.5s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 4.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 37 SDtfs, 96 SDslu, 32 SDs, 0 SdLazy, 211 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s 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, 0.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.964957934785521 AbsIntWeakeningRatio, 1.3448275862068966 AbsIntAvgWeakeningVarsNumRemoved, 2.1379310344827585 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, 7.5s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 6.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 43 SDtfs, 141 SDslu, 38 SDs, 0 SdLazy, 207 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 82 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s 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, 0.2s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9739430797123103 AbsIntWeakeningRatio, 1.2179487179487178 AbsIntAvgWeakeningVarsNumRemoved, 1.5128205128205128 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, 6.9s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 5.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 43 SDtfs, 104 SDslu, 32 SDs, 0 SdLazy, 167 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 78 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s 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, 2 AbstIntIterations, 2 AbstIntStrong, 0.9725345975345974 AbsIntWeakeningRatio, 1.2567567567567568 AbsIntAvgWeakeningVarsNumRemoved, 1.5945945945945945 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, 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_smtcomp.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_10-05-45-402.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-0-2018-01-21_10-05-45-402.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-0-2018-01-21_10-05-45-402.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-1-2018-01-21_10-05-45-402.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-1-2018-01-21_10-05-45-402.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-2-2018-01-21_10-05-45-402.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-2-2018-01-21_10-05-45-402.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-3-2018-01-21_10-05-45-402.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-3-2018-01-21_10-05-45-402.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-4-2018-01-21_10-05-45-402.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-4-2018-01-21_10-05-45-402.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_10-05-45-402.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_10-05-45-402.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_10-05-45-402.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_10-05-45-402.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_10-05-45-402.csv Received shutdown request...