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/cstrchr_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 10:05:16,690 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 10:05:16,692 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 10:05:16,706 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 10:05:16,707 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 10:05:16,708 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 10:05:16,709 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 10:05:16,711 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 10:05:16,713 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 10:05:16,714 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 10:05:16,714 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 10:05:16,714 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 10:05:16,715 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 10:05:16,716 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 10:05:16,717 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 10:05:16,719 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 10:05:16,721 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 10:05:16,723 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 10:05:16,725 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 10:05:16,726 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 10:05:16,728 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 10:05:16,733 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 10:05:16,734 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 10:05:16,734 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 10:05:16,744 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 10:05:16,745 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 10:05:16,745 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 10:05:16,746 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 10:05:16,746 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 10:05:16,746 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 10:05:16,746 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 10:05:16,746 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 10:05:16,747 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 10:05:16,747 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 10:05:16,748 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 10:05:16,748 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 10:05:16,748 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 10:05:16,748 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 10:05:16,748 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 10:05:16,748 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 10:05:16,749 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 10:05:16,749 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 10:05:16,749 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 10:05:16,749 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 10:05:16,749 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 10:05:16,750 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 10:05:16,750 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 10:05:16,750 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 10:05:16,750 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 10:05:16,750 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 10:05:16,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 10:05:16,751 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 10:05:16,751 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 10:05:16,751 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 10:05:16,751 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 10:05:16,751 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 10:05:16,752 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 10:05:16,752 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 10:05:16,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 10:05:16,752 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 10:05:16,752 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 10:05:16,753 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 10:05:16,753 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 10:05:16,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 10:05:16,798 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 10:05:16,802 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 10:05:16,803 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 10:05:16,804 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 10:05:16,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrchr_unsafe_false-valid-deref.i [2018-01-21 10:05:16,978 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 10:05:16,981 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 10:05:16,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 10:05:16,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 10:05:16,988 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 10:05:16,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 10:05:16" (1/1) ... [2018-01-21 10:05:16,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7feccdb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:16, skipping insertion in model container [2018-01-21 10:05:16,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 10:05:16" (1/1) ... [2018-01-21 10:05:17,005 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 10:05:17,042 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 10:05:17,158 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 10:05:17,173 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 10:05:17,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:17 WrapperNode [2018-01-21 10:05:17,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 10:05:17,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 10:05:17,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 10:05:17,182 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 10:05:17,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:17" (1/1) ... [2018-01-21 10:05:17,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:17" (1/1) ... [2018-01-21 10:05:17,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:17" (1/1) ... [2018-01-21 10:05:17,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:17" (1/1) ... [2018-01-21 10:05:17,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:17" (1/1) ... [2018-01-21 10:05:17,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:17" (1/1) ... [2018-01-21 10:05:17,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:17" (1/1) ... [2018-01-21 10:05:17,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 10:05:17,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 10:05:17,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 10:05:17,210 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 10:05:17,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:17" (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 10:05:17,261 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 10:05:17,261 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 10:05:17,261 INFO L136 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-01-21 10:05:17,261 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrchr [2018-01-21 10:05:17,261 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 10:05:17,262 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 10:05:17,262 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 10:05:17,262 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 10:05:17,262 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 10:05:17,262 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 10:05:17,262 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 10:05:17,263 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 10:05:17,263 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 10:05:17,263 INFO L128 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-01-21 10:05:17,263 INFO L128 BoogieDeclarations]: Found specification of procedure cstrchr [2018-01-21 10:05:17,263 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 10:05:17,263 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 10:05:17,263 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 10:05:17,465 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 10:05:17,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 10:05:17 BoogieIcfgContainer [2018-01-21 10:05:17,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 10:05:17,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 10:05:17,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 10:05:17,468 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 10:05:17,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 10:05:16" (1/3) ... [2018-01-21 10:05:17,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f71b6a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 10:05:17, skipping insertion in model container [2018-01-21 10:05:17,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:05:17" (2/3) ... [2018-01-21 10:05:17,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f71b6a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 10:05:17, skipping insertion in model container [2018-01-21 10:05:17,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 10:05:17" (3/3) ... [2018-01-21 10:05:17,471 INFO L105 eAbstractionObserver]: Analyzing ICFG cstrchr_unsafe_false-valid-deref.i [2018-01-21 10:05:17,479 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 10:05:17,485 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-01-21 10:05:17,533 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:05:17,533 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:05:17,534 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:05:17,534 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:05:17,534 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:05:17,534 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:05:17,534 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:05:17,534 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == build_nondet_StringErr0EnsuresViolation======== [2018-01-21 10:05:17,535 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:05:17,556 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-21 10:05:17,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-21 10:05:17,563 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:05:17,564 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:05:17,564 INFO L371 AbstractCegarLoop]: === Iteration 1 === [build_nondet_StringErr0EnsuresViolation]=== [2018-01-21 10:05:17,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1814860308, now seen corresponding path program 1 times [2018-01-21 10:05:17,572 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:05:17,620 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:17,620 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:05:17,620 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:17,621 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:05:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:05:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:05:17,721 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 10:05:17,729 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:05:17,731 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:05:17,743 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:05:17,744 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:05:17,744 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:05:17,744 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:05:17,744 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:05:17,744 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:05:17,744 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:05:17,744 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == cstrchrErr0EnsuresViolation======== [2018-01-21 10:05:17,745 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:05:17,746 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-21 10:05:17,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-21 10:05:17,748 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:05:17,748 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:05:17,748 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstrchrErr0EnsuresViolation]=== [2018-01-21 10:05:17,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1608981471, now seen corresponding path program 1 times [2018-01-21 10:05:17,748 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:05:17,749 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:17,750 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:05:17,750 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:17,750 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:05:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:05:17,780 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:05:17,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:05:17,827 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:05:17,828 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:05:17,828 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:05:17,830 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 10:05:17,841 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 10:05:17,842 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:05:17,844 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-01-21 10:05:17,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:05:17,939 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-01-21 10:05:17,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 10:05:17,940 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-01-21 10:05:17,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:05:17,946 INFO L225 Difference]: With dead ends: 57 [2018-01-21 10:05:17,946 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:05:17,949 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:05:17,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:05:17,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:05:17,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:05:17,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:05:17,969 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-01-21 10:05:17,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:05:17,969 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:05:17,969 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 10:05:17,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:05:17,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:05:17,972 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:05:17,972 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:05:17,973 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:05:17,973 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:05:17,973 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:05:17,973 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:05:17,973 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:05:17,973 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 10:05:17,973 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:05:17,975 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-21 10:05:17,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 10:05:17,976 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:05:17,976 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 10:05:17,976 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 10:05:17,976 INFO L82 PathProgramCache]: Analyzing trace with hash 95972, now seen corresponding path program 1 times [2018-01-21 10:05:17,977 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:05:17,978 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:17,978 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:05:17,978 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:17,978 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:05:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:05:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:05:17,988 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 10:05:17,989 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:05:17,991 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:05:17,992 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:05:17,992 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:05:17,992 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:05:17,992 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:05:17,992 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:05:17,992 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:05:17,992 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 10:05:17,993 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:05:17,994 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-21 10:05:17,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-21 10:05:17,996 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:05:17,996 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:05:17,996 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 10:05:17,996 INFO L82 PathProgramCache]: Analyzing trace with hash -91963062, now seen corresponding path program 1 times [2018-01-21 10:05:17,997 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:05:17,998 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:17,998 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:05:17,998 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:17,998 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:05:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:05:18,016 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:05:18,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:05:18,041 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:05:18,041 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:05:18,042 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:05:18,042 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 10:05:18,042 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 10:05:18,043 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:05:18,043 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-01-21 10:05:18,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:05:18,047 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-01-21 10:05:18,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 10:05:18,048 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 30 [2018-01-21 10:05:18,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:05:18,051 INFO L225 Difference]: With dead ends: 57 [2018-01-21 10:05:18,051 INFO L226 Difference]: Without dead ends: 37 [2018-01-21 10:05:18,051 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:05:18,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-01-21 10:05:18,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-01-21 10:05:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-01-21 10:05:18,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2018-01-21 10:05:18,062 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 30 [2018-01-21 10:05:18,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:05:18,063 INFO L432 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2018-01-21 10:05:18,063 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 10:05:18,063 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2018-01-21 10:05:18,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-01-21 10:05:18,064 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:05:18,064 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:05:18,065 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 10:05:18,065 INFO L82 PathProgramCache]: Analyzing trace with hash 169425213, now seen corresponding path program 1 times [2018-01-21 10:05:18,065 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:05:18,066 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:18,066 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:05:18,066 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:18,066 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:05:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:05:18,084 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:05:18,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:05:18,159 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:05:18,159 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 10:05:18,159 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:05:18,161 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 10:05:18,162 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 10:05:18,162 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 10:05:18,162 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 4 states. [2018-01-21 10:05:18,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:05:18,226 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2018-01-21 10:05:18,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 10:05:18,227 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-01-21 10:05:18,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:05:18,227 INFO L225 Difference]: With dead ends: 37 [2018-01-21 10:05:18,227 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:05:18,228 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 10:05:18,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:05:18,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:05:18,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:05:18,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:05:18,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-01-21 10:05:18,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:05:18,229 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:05:18,230 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 10:05:18,230 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:05:18,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:05:18,232 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:05:18,232 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:05:18,232 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:05:18,232 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:05:18,232 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:05:18,232 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:05:18,232 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:05:18,232 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 10:05:18,233 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:05:18,234 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-21 10:05:18,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-01-21 10:05:18,235 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:05:18,236 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:05:18,236 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 10:05:18,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1260238099, now seen corresponding path program 1 times [2018-01-21 10:05:18,236 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:05:18,237 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:18,237 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:05:18,237 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:18,237 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:05:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:05:18,252 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:05:18,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:05:18,268 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:05:18,269 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:05:18,269 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:05:18,269 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 10:05:18,269 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 10:05:18,269 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:05:18,270 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-01-21 10:05:18,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:05:18,274 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-01-21 10:05:18,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 10:05:18,274 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 28 [2018-01-21 10:05:18,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:05:18,276 INFO L225 Difference]: With dead ends: 57 [2018-01-21 10:05:18,276 INFO L226 Difference]: Without dead ends: 35 [2018-01-21 10:05:18,276 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:05:18,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-01-21 10:05:18,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-01-21 10:05:18,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-01-21 10:05:18,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2018-01-21 10:05:18,282 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 28 [2018-01-21 10:05:18,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:05:18,282 INFO L432 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2018-01-21 10:05:18,282 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 10:05:18,282 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-01-21 10:05:18,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 10:05:18,283 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:05:18,284 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:05:18,284 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-21 10:05:18,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1162186182, now seen corresponding path program 1 times [2018-01-21 10:05:18,284 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:05:18,285 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:18,285 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:05:18,285 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:05:18,286 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:05:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:05:18,299 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:05:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:05:18,333 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:05:18,334 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 10:05:18,334 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:05:18,334 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 10:05:18,335 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 10:05:18,335 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 10:05:18,335 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 4 states. [2018-01-21 10:05:18,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:05:18,359 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2018-01-21 10:05:18,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 10:05:18,360 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2018-01-21 10:05:18,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:05:18,360 INFO L225 Difference]: With dead ends: 35 [2018-01-21 10:05:18,360 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:05:18,361 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 10:05:18,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:05:18,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:05:18,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:05:18,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:05:18,362 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 10:05:18,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:05:18,362 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:05:18,362 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 10:05:18,362 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:05:18,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:05:18,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 10:05:18 BoogieIcfgContainer [2018-01-21 10:05:18,365 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 10:05:18,366 INFO L168 Benchmark]: Toolchain (without parser) took 1388.01 ms. Allocated memory was 301.5 MB in the beginning and 454.0 MB in the end (delta: 152.6 MB). Free memory was 259.8 MB in the beginning and 387.9 MB in the end (delta: -128.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. [2018-01-21 10:05:18,368 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 301.5 MB. Free memory is still 265.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 10:05:18,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.84 ms. Allocated memory is still 301.5 MB. Free memory was 258.8 MB in the beginning and 248.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-21 10:05:18,369 INFO L168 Benchmark]: Boogie Preprocessor took 27.83 ms. Allocated memory is still 301.5 MB. Free memory was 248.7 MB in the beginning and 246.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 10:05:18,369 INFO L168 Benchmark]: RCFGBuilder took 255.22 ms. Allocated memory is still 301.5 MB. Free memory was 246.7 MB in the beginning and 230.2 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. [2018-01-21 10:05:18,369 INFO L168 Benchmark]: TraceAbstraction took 899.42 ms. Allocated memory was 301.5 MB in the beginning and 454.0 MB in the end (delta: 152.6 MB). Free memory was 230.2 MB in the beginning and 387.9 MB in the end (delta: -157.7 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 10:05:18,371 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 301.5 MB. Free memory is still 265.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 199.84 ms. Allocated memory is still 301.5 MB. Free memory was 258.8 MB in the beginning and 248.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 27.83 ms. Allocated memory is still 301.5 MB. Free memory was 248.7 MB in the beginning and 246.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 255.22 ms. Allocated memory is still 301.5 MB. Free memory was 246.7 MB in the beginning and 230.2 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 899.42 ms. Allocated memory was 301.5 MB in the beginning and 454.0 MB in the end (delta: 152.6 MB). Free memory was 230.2 MB in the beginning and 387.9 MB in the end (delta: -157.7 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 540]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L556] 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, 42 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=42occurred 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 - 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: cstrchrErr0EnsuresViolation CFG has 5 procedures, 42 locations, 5 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - 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, 42 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=42occurred 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: 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, 42 locations, 5 error locations. SAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 55 SDtfs, 1 SDslu, 6 SDs, 0 SdLazy, 11 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 2524 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 555]: 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, 42 locations, 5 error locations. SAFE Result, 0.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 55 SDtfs, 1 SDslu, 6 SDs, 0 SdLazy, 11 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_10-05-18-382.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_10-05-18-382.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_10-05-18-382.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_10-05-18-382.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_10-05-18-382.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_10-05-18-382.csv Received shutdown request...