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_precise.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrchr_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 05:29:19,088 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 05:29:19,090 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 05:29:19,105 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 05:29:19,105 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 05:29:19,106 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 05:29:19,107 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 05:29:19,108 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 05:29:19,111 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 05:29:19,111 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 05:29:19,112 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 05:29:19,113 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 05:29:19,114 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 05:29:19,115 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 05:29:19,116 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 05:29:19,119 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 05:29:19,121 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 05:29:19,123 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 05:29:19,125 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 05:29:19,126 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 05:29:19,129 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 05:29:19,135 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 05:29:19,136 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 05:29:19,137 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_precise.epf [2018-01-21 05:29:19,148 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 05:29:19,148 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 05:29:19,149 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 05:29:19,150 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 05:29:19,150 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 05:29:19,150 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 05:29:19,150 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 05:29:19,151 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 05:29:19,151 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 05:29:19,152 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 05:29:19,152 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 05:29:19,152 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 05:29:19,152 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 05:29:19,153 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 05:29:19,153 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 05:29:19,153 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 05:29:19,153 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 05:29:19,153 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 05:29:19,154 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 05:29:19,154 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 05:29:19,154 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 05:29:19,154 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 05:29:19,154 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 05:29:19,155 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 05:29:19,155 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 05:29:19,155 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 05:29:19,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 05:29:19,156 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 05:29:19,156 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 05:29:19,156 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 05:29:19,156 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 05:29:19,156 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 05:29:19,156 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 05:29:19,157 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 05:29:19,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 05:29:19,157 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 05:29:19,157 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 05:29:19,158 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 05:29:19,159 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 05:29:19,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 05:29:19,210 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 05:29:19,214 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 05:29:19,216 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 05:29:19,216 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 05:29:19,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrchr_unsafe_false-valid-deref.i [2018-01-21 05:29:19,397 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 05:29:19,401 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 05:29:19,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 05:29:19,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 05:29:19,408 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 05:29:19,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 05:29:19" (1/1) ... [2018-01-21 05:29:19,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3339e5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:29:19, skipping insertion in model container [2018-01-21 05:29:19,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 05:29:19" (1/1) ... [2018-01-21 05:29:19,428 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 05:29:19,485 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 05:29:19,614 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 05:29:19,629 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 05:29:19,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:29:19 WrapperNode [2018-01-21 05:29:19,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 05:29:19,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 05:29:19,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 05:29:19,637 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 05:29:19,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:29:19" (1/1) ... [2018-01-21 05:29:19,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:29:19" (1/1) ... [2018-01-21 05:29:19,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:29:19" (1/1) ... [2018-01-21 05:29:19,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:29:19" (1/1) ... [2018-01-21 05:29:19,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:29:19" (1/1) ... [2018-01-21 05:29:19,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:29:19" (1/1) ... [2018-01-21 05:29:19,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:29:19" (1/1) ... [2018-01-21 05:29:19,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 05:29:19,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 05:29:19,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 05:29:19,676 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 05:29:19,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:29:19" (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 05:29:19,739 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 05:29:19,740 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 05:29:19,740 INFO L136 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-01-21 05:29:19,740 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrchr [2018-01-21 05:29:19,740 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 05:29:19,740 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 05:29:19,740 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 05:29:19,741 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 05:29:19,741 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 05:29:19,741 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 05:29:19,741 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 05:29:19,741 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 05:29:19,741 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 05:29:19,742 INFO L128 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-01-21 05:29:19,742 INFO L128 BoogieDeclarations]: Found specification of procedure cstrchr [2018-01-21 05:29:19,742 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 05:29:19,742 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 05:29:19,742 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 05:29:19,990 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 05:29:19,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 05:29:19 BoogieIcfgContainer [2018-01-21 05:29:19,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 05:29:19,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 05:29:19,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 05:29:19,995 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 05:29:19,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 05:29:19" (1/3) ... [2018-01-21 05:29:19,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e18ca4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 05:29:19, skipping insertion in model container [2018-01-21 05:29:19,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:29:19" (2/3) ... [2018-01-21 05:29:19,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e18ca4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 05:29:19, skipping insertion in model container [2018-01-21 05:29:19,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 05:29:19" (3/3) ... [2018-01-21 05:29:19,998 INFO L105 eAbstractionObserver]: Analyzing ICFG cstrchr_unsafe_false-valid-deref.i [2018-01-21 05:29:20,005 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 05:29:20,011 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-01-21 05:29:20,054 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:29:20,054 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:29:20,054 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:29:20,054 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:29:20,055 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:29:20,055 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:29:20,055 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:29:20,055 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == build_nondet_StringErr0EnsuresViolation======== [2018-01-21 05:29:20,056 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:29:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-21 05:29:20,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-21 05:29:20,080 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:29:20,081 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 05:29:20,081 INFO L371 AbstractCegarLoop]: === Iteration 1 === [build_nondet_StringErr0EnsuresViolation]=== [2018-01-21 05:29:20,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1814860308, now seen corresponding path program 1 times [2018-01-21 05:29:20,087 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:29:20,129 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:29:20,129 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:29:20,129 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:29:20,129 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:29:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 05:29:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 05:29:20,219 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 05:29:20,227 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 05:29:20,229 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 05:29:20,239 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:29:20,240 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:29:20,240 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:29:20,240 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:29:20,240 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:29:20,240 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:29:20,240 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:29:20,240 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == cstrchrErr0EnsuresViolation======== [2018-01-21 05:29:20,240 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:29:20,242 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-21 05:29:20,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-21 05:29:20,243 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:29:20,243 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 05:29:20,243 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstrchrErr0EnsuresViolation]=== [2018-01-21 05:29:20,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1608981471, now seen corresponding path program 1 times [2018-01-21 05:29:20,243 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:29:20,244 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:29:20,244 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:29:20,245 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:29:20,245 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:29:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:29:20,268 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:29:20,309 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 05:29:20,310 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:29:20,310 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 05:29:20,311 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:29:20,313 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 05:29:20,411 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 05:29:20,412 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 05:29:20,415 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-01-21 05:29:20,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:29:20,442 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-01-21 05:29:20,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 05:29:20,443 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-01-21 05:29:20,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:29:20,451 INFO L225 Difference]: With dead ends: 57 [2018-01-21 05:29:20,451 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:29:20,454 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 05:29:20,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:29:20,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:29:20,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:29:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:29:20,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-01-21 05:29:20,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:29:20,476 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:29:20,476 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 05:29:20,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:29:20,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:29:20,479 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:29:20,480 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:29:20,480 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:29:20,480 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:29:20,480 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:29:20,480 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:29:20,480 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:29:20,480 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 05:29:20,480 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:29:20,482 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-21 05:29:20,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 05:29:20,483 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:29:20,483 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 05:29:20,483 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 05:29:20,483 INFO L82 PathProgramCache]: Analyzing trace with hash 95972, now seen corresponding path program 1 times [2018-01-21 05:29:20,484 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:29:20,485 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:29:20,485 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:29:20,485 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:29:20,485 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:29:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 05:29:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 05:29:20,496 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 05:29:20,497 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 05:29:20,499 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:29:20,499 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:29:20,499 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:29:20,499 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:29:20,499 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:29:20,499 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:29:20,500 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:29:20,500 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 05:29:20,500 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:29:20,501 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-21 05:29:20,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-21 05:29:20,503 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:29:20,503 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 05:29:20,503 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 05:29:20,503 INFO L82 PathProgramCache]: Analyzing trace with hash -91963062, now seen corresponding path program 1 times [2018-01-21 05:29:20,503 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:29:20,504 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:29:20,504 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:29:20,504 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:29:20,504 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:29:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:29:20,521 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:29:20,546 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 05:29:20,546 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:29:20,547 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 05:29:20,547 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:29:20,547 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 05:29:20,547 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 05:29:20,548 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 05:29:20,548 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-01-21 05:29:20,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:29:20,553 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-01-21 05:29:20,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 05:29:20,553 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 30 [2018-01-21 05:29:20,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:29:20,557 INFO L225 Difference]: With dead ends: 57 [2018-01-21 05:29:20,557 INFO L226 Difference]: Without dead ends: 37 [2018-01-21 05:29:20,557 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 05:29:20,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-01-21 05:29:20,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-01-21 05:29:20,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-01-21 05:29:20,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2018-01-21 05:29:20,568 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 30 [2018-01-21 05:29:20,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:29:20,569 INFO L432 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2018-01-21 05:29:20,569 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 05:29:20,569 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2018-01-21 05:29:20,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-01-21 05:29:20,570 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:29:20,570 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 05:29:20,570 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 05:29:20,570 INFO L82 PathProgramCache]: Analyzing trace with hash 169425213, now seen corresponding path program 1 times [2018-01-21 05:29:20,571 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:29:20,572 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:29:20,572 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:29:20,572 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:29:20,572 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:29:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:29:20,589 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:29:20,659 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 05:29:20,659 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:29:20,660 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 05:29:20,660 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:29:20,662 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 05:29:20,662 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 05:29:20,663 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 05:29:20,663 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 4 states. [2018-01-21 05:29:20,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:29:20,711 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2018-01-21 05:29:20,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 05:29:20,712 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-01-21 05:29:20,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:29:20,712 INFO L225 Difference]: With dead ends: 37 [2018-01-21 05:29:20,712 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:29:20,713 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 05:29:20,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:29:20,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:29:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:29:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:29:20,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-01-21 05:29:20,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:29:20,714 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:29:20,714 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 05:29:20,714 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:29:20,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:29:20,715 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:29:20,715 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:29:20,716 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:29:20,716 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:29:20,716 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:29:20,716 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:29:20,716 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:29:20,716 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 05:29:20,716 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:29:20,717 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-21 05:29:20,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-01-21 05:29:20,718 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:29:20,718 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 05:29:20,718 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 05:29:20,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1260238099, now seen corresponding path program 1 times [2018-01-21 05:29:20,718 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:29:20,719 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:29:20,719 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:29:20,719 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:29:20,719 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:29:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:29:20,732 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:29:20,747 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 05:29:20,747 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:29:20,747 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 05:29:20,748 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:29:20,748 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 05:29:20,748 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 05:29:20,748 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 05:29:20,749 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-01-21 05:29:20,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:29:20,752 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-01-21 05:29:20,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 05:29:20,752 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 28 [2018-01-21 05:29:20,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:29:20,753 INFO L225 Difference]: With dead ends: 57 [2018-01-21 05:29:20,753 INFO L226 Difference]: Without dead ends: 35 [2018-01-21 05:29:20,753 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 05:29:20,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-01-21 05:29:20,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-01-21 05:29:20,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-01-21 05:29:20,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2018-01-21 05:29:20,757 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 28 [2018-01-21 05:29:20,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:29:20,758 INFO L432 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2018-01-21 05:29:20,758 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 05:29:20,758 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-01-21 05:29:20,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 05:29:20,759 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:29:20,760 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 05:29:20,760 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-21 05:29:20,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1162186182, now seen corresponding path program 1 times [2018-01-21 05:29:20,760 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:29:20,761 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:29:20,762 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:29:20,762 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:29:20,762 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:29:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:29:20,776 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:29:20,813 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 05:29:20,813 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:29:20,813 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 05:29:20,814 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:29:20,814 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 05:29:20,814 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 05:29:20,814 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 05:29:20,815 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 4 states. [2018-01-21 05:29:20,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:29:20,833 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2018-01-21 05:29:20,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 05:29:20,834 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2018-01-21 05:29:20,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:29:20,834 INFO L225 Difference]: With dead ends: 35 [2018-01-21 05:29:20,835 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:29:20,835 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 05:29:20,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:29:20,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:29:20,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:29:20,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:29:20,836 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 05:29:20,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:29:20,836 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:29:20,836 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 05:29:20,836 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:29:20,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:29:20,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 05:29:20 BoogieIcfgContainer [2018-01-21 05:29:20,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 05:29:20,839 INFO L168 Benchmark]: Toolchain (without parser) took 1442.01 ms. Allocated memory was 296.7 MB in the beginning and 447.2 MB in the end (delta: 150.5 MB). Free memory was 256.7 MB in the beginning and 379.2 MB in the end (delta: -122.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 5.3 GB. [2018-01-21 05:29:20,841 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 296.7 MB. Free memory is still 262.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 05:29:20,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.86 ms. Allocated memory is still 296.7 MB. Free memory was 255.7 MB in the beginning and 245.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-21 05:29:20,841 INFO L168 Benchmark]: Boogie Preprocessor took 38.90 ms. Allocated memory is still 296.7 MB. Free memory was 245.6 MB in the beginning and 243.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 05:29:20,841 INFO L168 Benchmark]: RCFGBuilder took 316.78 ms. Allocated memory is still 296.7 MB. Free memory was 243.6 MB in the beginning and 227.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 5.3 GB. [2018-01-21 05:29:20,842 INFO L168 Benchmark]: TraceAbstraction took 845.52 ms. Allocated memory was 296.7 MB in the beginning and 447.2 MB in the end (delta: 150.5 MB). Free memory was 226.5 MB in the beginning and 379.2 MB in the end (delta: -152.7 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 05:29:20,843 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 296.7 MB. Free memory is still 262.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 233.86 ms. Allocated memory is still 296.7 MB. Free memory was 255.7 MB in the beginning and 245.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.90 ms. Allocated memory is still 296.7 MB. Free memory was 245.6 MB in the beginning and 243.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 316.78 ms. Allocated memory is still 296.7 MB. Free memory was 243.6 MB in the beginning and 227.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 845.52 ms. Allocated memory was 296.7 MB in the beginning and 447.2 MB in the end (delta: 150.5 MB). Free memory was 226.5 MB in the beginning and 379.2 MB in the end (delta: -152.7 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, 0.1s 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=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_precise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_05-29-20-852.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_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_05-29-20-852.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_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_05-29-20-852.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_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_05-29-20-852.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_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_05-29-20-852.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_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_05-29-20-852.csv Received shutdown request...