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.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrchr_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-20 23:22:57,381 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-20 23:22:57,383 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-20 23:22:57,399 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-20 23:22:57,399 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-20 23:22:57,400 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-20 23:22:57,402 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-20 23:22:57,403 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-20 23:22:57,405 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-20 23:22:57,406 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-20 23:22:57,407 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-20 23:22:57,407 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-20 23:22:57,408 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-20 23:22:57,410 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-20 23:22:57,411 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-20 23:22:57,413 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-20 23:22:57,416 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-20 23:22:57,418 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-20 23:22:57,419 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-20 23:22:57,421 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-20 23:22:57,423 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-20 23:22:57,429 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-20 23:22:57,430 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-20 23:22:57,430 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.epf [2018-01-20 23:22:57,440 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-20 23:22:57,440 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-20 23:22:57,441 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-20 23:22:57,441 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-20 23:22:57,442 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-20 23:22:57,442 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-20 23:22:57,442 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-20 23:22:57,443 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-20 23:22:57,443 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-20 23:22:57,443 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-20 23:22:57,444 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-20 23:22:57,444 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-20 23:22:57,444 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-20 23:22:57,444 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-20 23:22:57,444 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-20 23:22:57,445 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-20 23:22:57,445 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-20 23:22:57,445 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-20 23:22:57,445 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-20 23:22:57,445 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-20 23:22:57,446 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-20 23:22:57,446 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-20 23:22:57,446 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-20 23:22:57,446 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-20 23:22:57,446 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-20 23:22:57,447 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-20 23:22:57,447 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-20 23:22:57,447 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-20 23:22:57,447 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-20 23:22:57,448 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-20 23:22:57,448 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-20 23:22:57,448 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-20 23:22:57,448 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-20 23:22:57,448 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-20 23:22:57,449 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-20 23:22:57,449 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-20 23:22:57,450 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-20 23:22:57,450 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-20 23:22:57,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-20 23:22:57,498 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-20 23:22:57,503 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-20 23:22:57,505 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-20 23:22:57,505 INFO L276 PluginConnector]: CDTParser initialized [2018-01-20 23:22:57,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrchr_unsafe_false-valid-deref.i [2018-01-20 23:22:57,709 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-20 23:22:57,714 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-20 23:22:57,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-20 23:22:57,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-20 23:22:57,723 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-20 23:22:57,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 11:22:57" (1/1) ... [2018-01-20 23:22:57,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a484b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:22:57, skipping insertion in model container [2018-01-20 23:22:57,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 11:22:57" (1/1) ... [2018-01-20 23:22:57,747 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 23:22:57,787 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 23:22:57,907 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 23:22:57,922 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 23:22:57,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:22:57 WrapperNode [2018-01-20 23:22:57,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-20 23:22:57,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-20 23:22:57,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-20 23:22:57,930 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-20 23:22:57,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:22:57" (1/1) ... [2018-01-20 23:22:57,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:22:57" (1/1) ... [2018-01-20 23:22:57,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:22:57" (1/1) ... [2018-01-20 23:22:57,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:22:57" (1/1) ... [2018-01-20 23:22:57,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:22:57" (1/1) ... [2018-01-20 23:22:57,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:22:57" (1/1) ... [2018-01-20 23:22:57,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:22:57" (1/1) ... [2018-01-20 23:22:57,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-20 23:22:57,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-20 23:22:57,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-20 23:22:57,967 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-20 23:22:57,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:22:57" (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 [2018-01-20 23:22:58,012 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-20 23:22:58,012 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-20 23:22:58,012 INFO L136 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-01-20 23:22:58,013 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrchr [2018-01-20 23:22:58,013 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-20 23:22:58,013 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-20 23:22:58,013 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-20 23:22:58,013 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-20 23:22:58,013 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-20 23:22:58,013 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-20 23:22:58,013 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-20 23:22:58,013 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-20 23:22:58,013 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-20 23:22:58,014 INFO L128 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-01-20 23:22:58,014 INFO L128 BoogieDeclarations]: Found specification of procedure cstrchr [2018-01-20 23:22:58,014 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-20 23:22:58,014 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-20 23:22:58,014 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-20 23:22:58,204 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-20 23:22:58,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 11:22:58 BoogieIcfgContainer [2018-01-20 23:22:58,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-20 23:22:58,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-20 23:22:58,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-20 23:22:58,207 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-20 23:22:58,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 11:22:57" (1/3) ... [2018-01-20 23:22:58,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f69d8a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 11:22:58, skipping insertion in model container [2018-01-20 23:22:58,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:22:57" (2/3) ... [2018-01-20 23:22:58,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f69d8a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 11:22:58, skipping insertion in model container [2018-01-20 23:22:58,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 11:22:58" (3/3) ... [2018-01-20 23:22:58,211 INFO L105 eAbstractionObserver]: Analyzing ICFG cstrchr_unsafe_false-valid-deref.i [2018-01-20 23:22:58,218 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-20 23:22:58,224 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-01-20 23:22:58,259 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:22:58,259 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:22:58,259 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:22:58,259 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:22:58,259 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:22:58,259 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:22:58,260 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:22:58,260 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == build_nondet_StringErr0EnsuresViolation======== [2018-01-20 23:22:58,261 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:22:58,281 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-20 23:22:58,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-20 23:22:58,288 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:22:58,289 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:22:58,289 INFO L371 AbstractCegarLoop]: === Iteration 1 === [build_nondet_StringErr0EnsuresViolation]=== [2018-01-20 23:22:58,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1814860308, now seen corresponding path program 1 times [2018-01-20 23:22:58,298 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:22:58,343 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:22:58,343 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:22:58,344 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:22:58,344 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:22:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 23:22:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 23:22:58,436 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 23:22:58,444 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 23:22:58,446 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 23:22:58,456 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:22:58,457 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:22:58,457 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:22:58,457 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:22:58,457 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:22:58,457 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:22:58,457 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:22:58,457 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == cstrchrErr0EnsuresViolation======== [2018-01-20 23:22:58,457 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:22:58,459 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-20 23:22:58,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-20 23:22:58,460 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:22:58,460 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] [2018-01-20 23:22:58,460 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstrchrErr0EnsuresViolation]=== [2018-01-20 23:22:58,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1608981471, now seen corresponding path program 1 times [2018-01-20 23:22:58,460 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:22:58,461 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:22:58,461 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:22:58,461 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:22:58,462 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:22:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:22:58,487 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:22:58,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:22:58,529 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:22:58,530 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:22:58,530 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:22:58,532 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:22:58,549 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:22:58,549 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:22:58,552 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-01-20 23:22:58,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:22:58,649 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-01-20 23:22:58,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:22:58,650 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-01-20 23:22:58,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:22:58,656 INFO L225 Difference]: With dead ends: 57 [2018-01-20 23:22:58,656 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:22:58,659 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 [2018-01-20 23:22:58,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:22:58,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:22:58,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:22:58,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:22:58,681 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-01-20 23:22:58,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:22:58,681 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:22:58,681 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:22:58,681 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:22:58,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:22:58,683 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:22:58,684 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:22:58,684 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:22:58,684 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:22:58,684 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:22:58,684 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:22:58,684 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:22:58,684 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-20 23:22:58,684 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:22:58,686 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-20 23:22:58,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-20 23:22:58,686 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:22:58,686 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-20 23:22:58,686 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-20 23:22:58,686 INFO L82 PathProgramCache]: Analyzing trace with hash 95972, now seen corresponding path program 1 times [2018-01-20 23:22:58,687 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:22:58,687 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:22:58,688 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:22:58,688 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:22:58,688 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:22:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 23:22:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 23:22:58,696 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 23:22:58,697 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 23:22:58,698 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:22:58,698 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:22:58,699 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:22:58,699 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:22:58,699 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:22:58,699 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:22:58,699 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:22:58,699 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-20 23:22:58,699 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:22:58,700 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-20 23:22:58,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-20 23:22:58,701 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:22:58,701 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] [2018-01-20 23:22:58,702 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 23:22:58,702 INFO L82 PathProgramCache]: Analyzing trace with hash -91963062, now seen corresponding path program 1 times [2018-01-20 23:22:58,702 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:22:58,703 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:22:58,703 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:22:58,703 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:22:58,703 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:22:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:22:58,719 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:22:58,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:22:58,745 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:22:58,745 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:22:58,745 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:22:58,746 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:22:58,746 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:22:58,746 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:22:58,747 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-01-20 23:22:58,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:22:58,750 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-01-20 23:22:58,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:22:58,750 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 30 [2018-01-20 23:22:58,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:22:58,754 INFO L225 Difference]: With dead ends: 57 [2018-01-20 23:22:58,754 INFO L226 Difference]: Without dead ends: 37 [2018-01-20 23:22:58,755 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 [2018-01-20 23:22:58,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-01-20 23:22:58,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-01-20 23:22:58,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-01-20 23:22:58,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2018-01-20 23:22:58,768 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 30 [2018-01-20 23:22:58,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:22:58,769 INFO L432 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2018-01-20 23:22:58,769 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:22:58,769 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2018-01-20 23:22:58,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-01-20 23:22:58,770 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:22:58,770 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] [2018-01-20 23:22:58,770 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 23:22:58,770 INFO L82 PathProgramCache]: Analyzing trace with hash 169425213, now seen corresponding path program 1 times [2018-01-20 23:22:58,770 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:22:58,771 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:22:58,771 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:22:58,771 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:22:58,771 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:22:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:22:58,787 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:22:58,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:22:58,858 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:22:58,858 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-20 23:22:58,858 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:22:58,860 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-20 23:22:58,861 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-20 23:22:58,861 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-20 23:22:58,861 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 4 states. [2018-01-20 23:22:58,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:22:58,909 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2018-01-20 23:22:58,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-20 23:22:58,910 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-01-20 23:22:58,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:22:58,910 INFO L225 Difference]: With dead ends: 37 [2018-01-20 23:22:58,910 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:22:58,911 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 [2018-01-20 23:22:58,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:22:58,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:22:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:22:58,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:22:58,912 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-01-20 23:22:58,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:22:58,912 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:22:58,912 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-20 23:22:58,912 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:22:58,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:22:58,914 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:22:58,914 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:22:58,914 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:22:58,914 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:22:58,914 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:22:58,914 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:22:58,914 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:22:58,914 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-20 23:22:58,914 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:22:58,915 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-20 23:22:58,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-01-20 23:22:58,916 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:22:58,916 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] [2018-01-20 23:22:58,916 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-20 23:22:58,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1260238099, now seen corresponding path program 1 times [2018-01-20 23:22:58,917 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:22:58,917 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:22:58,918 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:22:58,918 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:22:58,918 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:22:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:22:58,930 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:22:58,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:22:58,947 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:22:58,947 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:22:58,947 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:22:58,948 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:22:58,948 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:22:58,948 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:22:58,948 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-01-20 23:22:58,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:22:58,953 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-01-20 23:22:58,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:22:58,953 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 28 [2018-01-20 23:22:58,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:22:58,954 INFO L225 Difference]: With dead ends: 57 [2018-01-20 23:22:58,954 INFO L226 Difference]: Without dead ends: 35 [2018-01-20 23:22:58,955 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 [2018-01-20 23:22:58,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-01-20 23:22:58,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-01-20 23:22:58,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-01-20 23:22:58,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2018-01-20 23:22:58,960 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 28 [2018-01-20 23:22:58,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:22:58,961 INFO L432 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2018-01-20 23:22:58,961 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:22:58,961 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-01-20 23:22:58,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-20 23:22:58,962 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:22:58,962 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] [2018-01-20 23:22:58,963 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-20 23:22:58,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1162186182, now seen corresponding path program 1 times [2018-01-20 23:22:58,963 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:22:58,964 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:22:58,964 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:22:58,965 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:22:58,965 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:22:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:22:58,979 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:22:59,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:22:59,024 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:22:59,024 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-20 23:22:59,025 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:22:59,025 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-20 23:22:59,025 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-20 23:22:59,025 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-20 23:22:59,026 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 4 states. [2018-01-20 23:22:59,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:22:59,045 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2018-01-20 23:22:59,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-20 23:22:59,046 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2018-01-20 23:22:59,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:22:59,047 INFO L225 Difference]: With dead ends: 35 [2018-01-20 23:22:59,047 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:22:59,047 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 [2018-01-20 23:22:59,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:22:59,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:22:59,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:22:59,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:22:59,048 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-20 23:22:59,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:22:59,048 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:22:59,048 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-20 23:22:59,048 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:22:59,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:22:59,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 11:22:59 BoogieIcfgContainer [2018-01-20 23:22:59,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-20 23:22:59,052 INFO L168 Benchmark]: Toolchain (without parser) took 1342.28 ms. Allocated memory was 306.2 MB in the beginning and 466.1 MB in the end (delta: 159.9 MB). Free memory was 263.5 MB in the beginning and 399.2 MB in the end (delta: -135.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 5.3 GB. [2018-01-20 23:22:59,053 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 306.2 MB. Free memory is still 269.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 23:22:59,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.86 ms. Allocated memory is still 306.2 MB. Free memory was 263.5 MB in the beginning and 253.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-20 23:22:59,054 INFO L168 Benchmark]: Boogie Preprocessor took 36.93 ms. Allocated memory is still 306.2 MB. Free memory was 253.5 MB in the beginning and 251.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-20 23:22:59,054 INFO L168 Benchmark]: RCFGBuilder took 238.06 ms. Allocated memory is still 306.2 MB. Free memory was 251.5 MB in the beginning and 235.0 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. [2018-01-20 23:22:59,054 INFO L168 Benchmark]: TraceAbstraction took 846.23 ms. Allocated memory was 306.2 MB in the beginning and 466.1 MB in the end (delta: 159.9 MB). Free memory was 235.0 MB in the beginning and 399.2 MB in the end (delta: -164.3 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 23:22:59,056 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 306.2 MB. Free memory is still 269.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 213.86 ms. Allocated memory is still 306.2 MB. Free memory was 263.5 MB in the beginning and 253.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.93 ms. Allocated memory is still 306.2 MB. Free memory was 253.5 MB in the beginning and 251.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 238.06 ms. Allocated memory is still 306.2 MB. Free memory was 251.5 MB in the beginning and 235.0 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 846.23 ms. Allocated memory was 306.2 MB in the beginning and 466.1 MB in the end (delta: 159.9 MB). Free memory was 235.0 MB in the beginning and 399.2 MB in the end (delta: -164.3 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.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-20_23-22-59-065.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.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-20_23-22-59-065.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.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-20_23-22-59-065.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.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-20_23-22-59-065.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.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-20_23-22-59-065.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.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-20_23-22-59-065.csv Received shutdown request...