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/svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/complex_data_creation_test02_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 03:12:45,797 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 03:12:45,801 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 03:12:45,836 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 03:12:45,844 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 03:12:45,845 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 03:12:45,846 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 03:12:45,852 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 03:12:45,855 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 03:12:45,862 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 03:12:45,862 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-25 03:12:45,863 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-25 03:12:45,864 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-25 03:12:45,875 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-25 03:12:45,876 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-25 03:12:45,897 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-25 03:12:45,899 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-25 03:12:45,911 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-25 03:12:45,913 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-25 03:12:45,914 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-25 03:12:45,916 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-25 03:12:45,931 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-25 03:12:45,931 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-25 03:12:45,932 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf [2018-01-25 03:12:45,966 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 03:12:45,966 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 03:12:45,967 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 03:12:45,967 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 03:12:45,968 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 03:12:45,968 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-25 03:12:45,968 INFO L133 SettingsManager]: * Flatten before fatten=true [2018-01-25 03:12:45,968 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 03:12:45,968 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 03:12:45,970 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 03:12:45,970 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 03:12:45,970 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 03:12:45,970 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 03:12:45,970 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 03:12:45,971 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 03:12:45,971 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 03:12:45,971 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 03:12:45,971 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 03:12:45,971 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 03:12:45,971 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 03:12:45,972 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 03:12:45,972 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 03:12:45,972 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 03:12:45,972 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 03:12:45,972 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 03:12:45,972 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 03:12:45,973 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 03:12:45,973 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 03:12:45,975 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 03:12:45,975 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 03:12:45,975 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-25 03:12:45,975 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 03:12:45,975 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 03:12:45,975 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 03:12:45,976 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-25 03:12:45,976 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 03:12:45,977 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 03:12:46,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 03:12:46,071 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 03:12:46,095 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 03:12:46,097 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 03:12:46,098 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 03:12:46,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/complex_data_creation_test02_true-valid-memsafety.i [2018-01-25 03:12:46,466 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 03:12:46,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 03:12:46,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 03:12:46,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 03:12:46,485 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 03:12:46,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 03:12:46" (1/1) ... [2018-01-25 03:12:46,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c12ca8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:46, skipping insertion in model container [2018-01-25 03:12:46,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 03:12:46" (1/1) ... [2018-01-25 03:12:46,523 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 03:12:46,651 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 03:12:46,895 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 03:12:46,931 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 03:12:46,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:46 WrapperNode [2018-01-25 03:12:46,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 03:12:46,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 03:12:46,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 03:12:46,951 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 03:12:46,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:46" (1/1) ... [2018-01-25 03:12:46,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:46" (1/1) ... [2018-01-25 03:12:46,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:46" (1/1) ... [2018-01-25 03:12:47,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:46" (1/1) ... [2018-01-25 03:12:47,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:46" (1/1) ... [2018-01-25 03:12:47,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:46" (1/1) ... [2018-01-25 03:12:47,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:46" (1/1) ... [2018-01-25 03:12:47,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 03:12:47,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 03:12:47,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 03:12:47,585 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 03:12:47,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:46" (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 [2018-01-25 03:12:47,688 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 03:12:47,688 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 03:12:47,688 INFO L136 BoogieDeclarations]: Found implementation of procedure create_data [2018-01-25 03:12:47,688 INFO L136 BoogieDeclarations]: Found implementation of procedure freeData [2018-01-25 03:12:47,689 INFO L136 BoogieDeclarations]: Found implementation of procedure append [2018-01-25 03:12:47,689 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 03:12:47,689 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-25 03:12:47,689 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-25 03:12:47,689 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-25 03:12:47,690 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-25 03:12:47,690 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 03:12:47,690 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 03:12:47,690 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-25 03:12:47,691 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-25 03:12:47,691 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-25 03:12:47,691 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-25 03:12:47,691 INFO L128 BoogieDeclarations]: Found specification of procedure create_data [2018-01-25 03:12:47,691 INFO L128 BoogieDeclarations]: Found specification of procedure freeData [2018-01-25 03:12:47,692 INFO L128 BoogieDeclarations]: Found specification of procedure append [2018-01-25 03:12:47,692 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 03:12:47,692 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 03:12:47,692 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 03:12:48,776 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 03:12:48,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 03:12:48 BoogieIcfgContainer [2018-01-25 03:12:48,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 03:12:48,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-25 03:12:48,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-25 03:12:48,780 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-25 03:12:48,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 03:12:46" (1/3) ... [2018-01-25 03:12:48,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c6e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 03:12:48, skipping insertion in model container [2018-01-25 03:12:48,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:46" (2/3) ... [2018-01-25 03:12:48,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c6e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 03:12:48, skipping insertion in model container [2018-01-25 03:12:48,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 03:12:48" (3/3) ... [2018-01-25 03:12:48,784 INFO L105 eAbstractionObserver]: Analyzing ICFG complex_data_creation_test02_true-valid-memsafety.i [2018-01-25 03:12:48,791 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-25 03:12:48,798 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 91 error locations. [2018-01-25 03:12:48,846 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-25 03:12:48,846 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-25 03:12:48,846 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-25 03:12:48,846 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-25 03:12:48,846 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-25 03:12:48,847 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-25 03:12:48,847 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-25 03:12:48,847 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-25 03:12:48,848 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-25 03:12:48,880 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-01-25 03:12:48,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-25 03:12:48,887 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:48,888 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:12:48,888 INFO L371 AbstractCegarLoop]: === Iteration 1 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:12:48,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1490553648, now seen corresponding path program 1 times [2018-01-25 03:12:48,896 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:48,957 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:48,958 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:48,958 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:48,958 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:49,018 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:49,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:12:49,150 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:49,150 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-25 03:12:49,150 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:49,154 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-25 03:12:49,169 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-25 03:12:49,170 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-25 03:12:49,173 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-01-25 03:12:49,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:49,913 INFO L93 Difference]: Finished difference Result 418 states and 459 transitions. [2018-01-25 03:12:49,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-25 03:12:49,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-01-25 03:12:49,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:49,929 INFO L225 Difference]: With dead ends: 418 [2018-01-25 03:12:49,930 INFO L226 Difference]: Without dead ends: 208 [2018-01-25 03:12:49,935 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-25 03:12:49,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-01-25 03:12:49,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2018-01-25 03:12:49,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-01-25 03:12:49,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 220 transitions. [2018-01-25 03:12:49,993 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 220 transitions. Word has length 7 [2018-01-25 03:12:49,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:49,994 INFO L432 AbstractCegarLoop]: Abstraction has 208 states and 220 transitions. [2018-01-25 03:12:49,994 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-25 03:12:49,994 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 220 transitions. [2018-01-25 03:12:49,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-25 03:12:49,995 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:49,995 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:12:49,995 INFO L371 AbstractCegarLoop]: === Iteration 2 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:12:49,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1490553649, now seen corresponding path program 1 times [2018-01-25 03:12:49,996 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:49,997 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:49,997 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:49,997 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:49,998 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:50,023 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:50,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:12:50,092 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:50,092 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-25 03:12:50,092 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:50,094 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-25 03:12:50,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-25 03:12:50,095 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-25 03:12:50,095 INFO L87 Difference]: Start difference. First operand 208 states and 220 transitions. Second operand 3 states. [2018-01-25 03:12:50,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:50,437 INFO L93 Difference]: Finished difference Result 210 states and 223 transitions. [2018-01-25 03:12:50,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-25 03:12:50,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-01-25 03:12:50,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:50,442 INFO L225 Difference]: With dead ends: 210 [2018-01-25 03:12:50,443 INFO L226 Difference]: Without dead ends: 209 [2018-01-25 03:12:50,444 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-25 03:12:50,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-01-25 03:12:50,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 207. [2018-01-25 03:12:50,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-01-25 03:12:50,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 219 transitions. [2018-01-25 03:12:50,463 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 219 transitions. Word has length 7 [2018-01-25 03:12:50,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:50,464 INFO L432 AbstractCegarLoop]: Abstraction has 207 states and 219 transitions. [2018-01-25 03:12:50,464 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-25 03:12:50,464 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 219 transitions. [2018-01-25 03:12:50,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-25 03:12:50,465 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:50,465 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:12:50,465 INFO L371 AbstractCegarLoop]: === Iteration 3 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:12:50,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1508922073, now seen corresponding path program 1 times [2018-01-25 03:12:50,465 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:50,466 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:50,467 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:50,467 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:50,467 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:50,491 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:50,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:12:50,566 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:50,566 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-25 03:12:50,566 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:50,567 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-25 03:12:50,567 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-25 03:12:50,567 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-25 03:12:50,567 INFO L87 Difference]: Start difference. First operand 207 states and 219 transitions. Second operand 5 states. [2018-01-25 03:12:51,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:51,200 INFO L93 Difference]: Finished difference Result 207 states and 219 transitions. [2018-01-25 03:12:51,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-25 03:12:51,200 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-01-25 03:12:51,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:51,202 INFO L225 Difference]: With dead ends: 207 [2018-01-25 03:12:51,202 INFO L226 Difference]: Without dead ends: 205 [2018-01-25 03:12:51,202 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-25 03:12:51,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-01-25 03:12:51,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-01-25 03:12:51,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-01-25 03:12:51,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 217 transitions. [2018-01-25 03:12:51,229 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 217 transitions. Word has length 14 [2018-01-25 03:12:51,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:51,230 INFO L432 AbstractCegarLoop]: Abstraction has 205 states and 217 transitions. [2018-01-25 03:12:51,230 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-25 03:12:51,230 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 217 transitions. [2018-01-25 03:12:51,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-25 03:12:51,230 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:51,231 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:12:51,231 INFO L371 AbstractCegarLoop]: === Iteration 4 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:12:51,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1508922074, now seen corresponding path program 1 times [2018-01-25 03:12:51,231 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:51,232 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:51,232 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:51,233 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:51,233 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:51,254 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:51,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:12:51,400 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:51,401 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-25 03:12:51,401 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:51,401 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-25 03:12:51,401 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-25 03:12:51,402 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-25 03:12:51,402 INFO L87 Difference]: Start difference. First operand 205 states and 217 transitions. Second operand 7 states. [2018-01-25 03:12:52,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:52,100 INFO L93 Difference]: Finished difference Result 227 states and 243 transitions. [2018-01-25 03:12:52,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-25 03:12:52,101 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-01-25 03:12:52,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:52,104 INFO L225 Difference]: With dead ends: 227 [2018-01-25 03:12:52,104 INFO L226 Difference]: Without dead ends: 225 [2018-01-25 03:12:52,104 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-01-25 03:12:52,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-01-25 03:12:52,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 214. [2018-01-25 03:12:52,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-01-25 03:12:52,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 229 transitions. [2018-01-25 03:12:52,122 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 229 transitions. Word has length 14 [2018-01-25 03:12:52,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:52,123 INFO L432 AbstractCegarLoop]: Abstraction has 214 states and 229 transitions. [2018-01-25 03:12:52,123 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-25 03:12:52,123 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 229 transitions. [2018-01-25 03:12:52,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-25 03:12:52,124 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:52,124 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:12:52,124 INFO L371 AbstractCegarLoop]: === Iteration 5 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:12:52,124 INFO L82 PathProgramCache]: Analyzing trace with hash -468055759, now seen corresponding path program 1 times [2018-01-25 03:12:52,124 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:52,126 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:52,126 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:52,126 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:52,126 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:52,147 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:12:52,206 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:52,206 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-25 03:12:52,206 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:52,208 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-25 03:12:52,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-25 03:12:52,208 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-25 03:12:52,209 INFO L87 Difference]: Start difference. First operand 214 states and 229 transitions. Second operand 4 states. [2018-01-25 03:12:52,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:52,551 INFO L93 Difference]: Finished difference Result 214 states and 229 transitions. [2018-01-25 03:12:52,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-25 03:12:52,551 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-25 03:12:52,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:52,552 INFO L225 Difference]: With dead ends: 214 [2018-01-25 03:12:52,552 INFO L226 Difference]: Without dead ends: 212 [2018-01-25 03:12:52,553 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-25 03:12:52,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-01-25 03:12:52,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2018-01-25 03:12:52,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-01-25 03:12:52,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 226 transitions. [2018-01-25 03:12:52,567 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 226 transitions. Word has length 15 [2018-01-25 03:12:52,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:52,569 INFO L432 AbstractCegarLoop]: Abstraction has 212 states and 226 transitions. [2018-01-25 03:12:52,569 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-25 03:12:52,569 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 226 transitions. [2018-01-25 03:12:52,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-25 03:12:52,570 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:52,571 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:12:52,571 INFO L371 AbstractCegarLoop]: === Iteration 6 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:12:52,571 INFO L82 PathProgramCache]: Analyzing trace with hash -468055758, now seen corresponding path program 1 times [2018-01-25 03:12:52,572 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:52,573 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:52,573 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:52,573 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:52,573 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:52,591 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:52,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:12:52,657 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:52,657 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-25 03:12:52,657 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:52,657 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-25 03:12:52,658 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-25 03:12:52,658 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-25 03:12:52,658 INFO L87 Difference]: Start difference. First operand 212 states and 226 transitions. Second operand 4 states. [2018-01-25 03:12:53,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:53,020 INFO L93 Difference]: Finished difference Result 212 states and 226 transitions. [2018-01-25 03:12:53,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-25 03:12:53,021 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-25 03:12:53,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:53,022 INFO L225 Difference]: With dead ends: 212 [2018-01-25 03:12:53,022 INFO L226 Difference]: Without dead ends: 210 [2018-01-25 03:12:53,023 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-25 03:12:53,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-01-25 03:12:53,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2018-01-25 03:12:53,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-01-25 03:12:53,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 223 transitions. [2018-01-25 03:12:53,032 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 223 transitions. Word has length 15 [2018-01-25 03:12:53,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:53,032 INFO L432 AbstractCegarLoop]: Abstraction has 210 states and 223 transitions. [2018-01-25 03:12:53,032 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-25 03:12:53,032 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 223 transitions. [2018-01-25 03:12:53,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-25 03:12:53,033 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:53,033 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] [2018-01-25 03:12:53,033 INFO L371 AbstractCegarLoop]: === Iteration 7 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:12:53,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1490864651, now seen corresponding path program 1 times [2018-01-25 03:12:53,034 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:53,035 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:53,035 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:53,035 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:53,035 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:53,074 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:53,440 WARN L143 SmtUtils]: Spent 111ms on a formula simplification that was a NOOP. DAG size: 18 [2018-01-25 03:12:53,666 WARN L146 SmtUtils]: Spent 137ms on a formula simplification. DAG size of input: 22 DAG size of output 19 [2018-01-25 03:12:53,949 WARN L146 SmtUtils]: Spent 167ms on a formula simplification. DAG size of input: 25 DAG size of output 23 [2018-01-25 03:12:54,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:12:54,112 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:54,113 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-01-25 03:12:54,113 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:54,113 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-01-25 03:12:54,113 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-01-25 03:12:54,114 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-01-25 03:12:54,114 INFO L87 Difference]: Start difference. First operand 210 states and 223 transitions. Second operand 13 states. [2018-01-25 03:12:54,568 WARN L146 SmtUtils]: Spent 181ms on a formula simplification. DAG size of input: 42 DAG size of output 24 [2018-01-25 03:12:54,908 WARN L146 SmtUtils]: Spent 215ms on a formula simplification. DAG size of input: 48 DAG size of output 29 [2018-01-25 03:12:58,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:58,838 INFO L93 Difference]: Finished difference Result 405 states and 433 transitions. [2018-01-25 03:12:58,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-25 03:12:58,844 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 20 [2018-01-25 03:12:58,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:58,845 INFO L225 Difference]: With dead ends: 405 [2018-01-25 03:12:58,846 INFO L226 Difference]: Without dead ends: 212 [2018-01-25 03:12:58,848 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2018-01-25 03:12:58,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-01-25 03:12:58,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 211. [2018-01-25 03:12:58,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-01-25 03:12:58,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 224 transitions. [2018-01-25 03:12:58,879 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 224 transitions. Word has length 20 [2018-01-25 03:12:58,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:58,879 INFO L432 AbstractCegarLoop]: Abstraction has 211 states and 224 transitions. [2018-01-25 03:12:58,879 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-01-25 03:12:58,880 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 224 transitions. [2018-01-25 03:12:58,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-25 03:12:58,882 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:58,883 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] [2018-01-25 03:12:58,883 INFO L371 AbstractCegarLoop]: === Iteration 8 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:12:58,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1804170703, now seen corresponding path program 1 times [2018-01-25 03:12:58,883 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:58,885 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:58,885 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:58,885 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:58,885 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:58,899 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:58,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:12:58,953 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:58,953 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-25 03:12:58,953 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:58,954 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-25 03:12:58,954 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-25 03:12:58,954 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-25 03:12:58,954 INFO L87 Difference]: Start difference. First operand 211 states and 224 transitions. Second operand 4 states. [2018-01-25 03:12:59,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:59,098 INFO L93 Difference]: Finished difference Result 493 states and 529 transitions. [2018-01-25 03:12:59,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-25 03:12:59,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-01-25 03:12:59,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:59,101 INFO L225 Difference]: With dead ends: 493 [2018-01-25 03:12:59,101 INFO L226 Difference]: Without dead ends: 300 [2018-01-25 03:12:59,102 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-25 03:12:59,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-01-25 03:12:59,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 264. [2018-01-25 03:12:59,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2018-01-25 03:12:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 317 transitions. [2018-01-25 03:12:59,117 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 317 transitions. Word has length 22 [2018-01-25 03:12:59,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:59,118 INFO L432 AbstractCegarLoop]: Abstraction has 264 states and 317 transitions. [2018-01-25 03:12:59,118 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-25 03:12:59,118 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 317 transitions. [2018-01-25 03:12:59,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-25 03:12:59,119 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:59,119 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] [2018-01-25 03:12:59,119 INFO L371 AbstractCegarLoop]: === Iteration 9 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:12:59,119 INFO L82 PathProgramCache]: Analyzing trace with hash 265371579, now seen corresponding path program 1 times [2018-01-25 03:12:59,120 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:59,121 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:59,121 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:59,122 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:59,122 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:59,142 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:59,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:12:59,248 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:59,248 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-25 03:12:59,248 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:59,249 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-25 03:12:59,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-25 03:12:59,249 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-25 03:12:59,249 INFO L87 Difference]: Start difference. First operand 264 states and 317 transitions. Second operand 4 states. [2018-01-25 03:12:59,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:59,758 INFO L93 Difference]: Finished difference Result 290 states and 349 transitions. [2018-01-25 03:12:59,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-25 03:12:59,759 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-01-25 03:12:59,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:59,761 INFO L225 Difference]: With dead ends: 290 [2018-01-25 03:12:59,761 INFO L226 Difference]: Without dead ends: 277 [2018-01-25 03:12:59,762 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-25 03:12:59,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-01-25 03:12:59,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 266. [2018-01-25 03:12:59,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-01-25 03:12:59,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 315 transitions. [2018-01-25 03:12:59,789 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 315 transitions. Word has length 26 [2018-01-25 03:12:59,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:59,791 INFO L432 AbstractCegarLoop]: Abstraction has 266 states and 315 transitions. [2018-01-25 03:12:59,791 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-25 03:12:59,791 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 315 transitions. [2018-01-25 03:12:59,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-25 03:12:59,800 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:59,800 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] [2018-01-25 03:12:59,801 INFO L371 AbstractCegarLoop]: === Iteration 10 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:12:59,801 INFO L82 PathProgramCache]: Analyzing trace with hash 265371580, now seen corresponding path program 1 times [2018-01-25 03:12:59,801 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:59,803 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:59,803 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:59,803 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:59,803 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:59,832 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:13:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:13:00,076 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:13:00,076 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-25 03:13:00,076 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:13:00,077 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-25 03:13:00,077 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-25 03:13:00,077 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-25 03:13:00,077 INFO L87 Difference]: Start difference. First operand 266 states and 315 transitions. Second operand 5 states. [2018-01-25 03:13:00,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:13:00,617 INFO L93 Difference]: Finished difference Result 302 states and 357 transitions. [2018-01-25 03:13:00,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-25 03:13:00,626 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-25 03:13:00,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:13:00,628 INFO L225 Difference]: With dead ends: 302 [2018-01-25 03:13:00,628 INFO L226 Difference]: Without dead ends: 289 [2018-01-25 03:13:00,629 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-01-25 03:13:00,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-01-25 03:13:00,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 267. [2018-01-25 03:13:00,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-01-25 03:13:00,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 309 transitions. [2018-01-25 03:13:00,661 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 309 transitions. Word has length 26 [2018-01-25 03:13:00,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:13:00,661 INFO L432 AbstractCegarLoop]: Abstraction has 267 states and 309 transitions. [2018-01-25 03:13:00,661 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-25 03:13:00,661 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 309 transitions. [2018-01-25 03:13:00,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-25 03:13:00,662 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:13:00,663 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] [2018-01-25 03:13:00,663 INFO L371 AbstractCegarLoop]: === Iteration 11 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:13:00,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1933498913, now seen corresponding path program 1 times [2018-01-25 03:13:00,664 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:13:00,665 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:13:00,665 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:13:00,665 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:13:00,665 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:13:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:13:00,684 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:13:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:13:00,782 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:13:00,783 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-25 03:13:00,783 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:13:00,783 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-25 03:13:00,783 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-25 03:13:00,784 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-25 03:13:00,784 INFO L87 Difference]: Start difference. First operand 267 states and 309 transitions. Second operand 5 states. [2018-01-25 03:13:01,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:13:01,622 INFO L93 Difference]: Finished difference Result 339 states and 395 transitions. [2018-01-25 03:13:01,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-25 03:13:01,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-01-25 03:13:01,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:13:01,635 INFO L225 Difference]: With dead ends: 339 [2018-01-25 03:13:01,635 INFO L226 Difference]: Without dead ends: 338 [2018-01-25 03:13:01,636 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-01-25 03:13:01,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-01-25 03:13:01,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 277. [2018-01-25 03:13:01,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-01-25 03:13:01,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 323 transitions. [2018-01-25 03:13:01,664 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 323 transitions. Word has length 32 [2018-01-25 03:13:01,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:13:01,664 INFO L432 AbstractCegarLoop]: Abstraction has 277 states and 323 transitions. [2018-01-25 03:13:01,664 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-25 03:13:01,664 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 323 transitions. [2018-01-25 03:13:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-25 03:13:01,665 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:13:01,666 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] [2018-01-25 03:13:01,666 INFO L371 AbstractCegarLoop]: === Iteration 12 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:13:01,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1933498914, now seen corresponding path program 1 times [2018-01-25 03:13:01,666 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:13:01,667 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:13:01,667 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:13:01,668 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:13:01,668 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:13:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:13:01,711 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:13:02,459 WARN L146 SmtUtils]: Spent 235ms on a formula simplification. DAG size of input: 18 DAG size of output 11 [2018-01-25 03:13:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:13:02,462 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:13:02,462 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-25 03:13:02,462 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:13:02,462 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-25 03:13:02,462 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-25 03:13:02,463 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-25 03:13:02,463 INFO L87 Difference]: Start difference. First operand 277 states and 323 transitions. Second operand 6 states. [2018-01-25 03:13:04,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:13:04,141 INFO L93 Difference]: Finished difference Result 544 states and 639 transitions. [2018-01-25 03:13:04,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-25 03:13:04,143 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-25 03:13:04,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:13:04,145 INFO L225 Difference]: With dead ends: 544 [2018-01-25 03:13:04,145 INFO L226 Difference]: Without dead ends: 285 [2018-01-25 03:13:04,149 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-01-25 03:13:04,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-01-25 03:13:04,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 277. [2018-01-25 03:13:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-01-25 03:13:04,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 319 transitions. [2018-01-25 03:13:04,204 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 319 transitions. Word has length 32 [2018-01-25 03:13:04,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:13:04,205 INFO L432 AbstractCegarLoop]: Abstraction has 277 states and 319 transitions. [2018-01-25 03:13:04,205 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-25 03:13:04,205 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 319 transitions. [2018-01-25 03:13:04,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-01-25 03:13:04,206 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:13:04,216 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:13:04,216 INFO L371 AbstractCegarLoop]: === Iteration 13 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:13:04,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1042211778, now seen corresponding path program 1 times [2018-01-25 03:13:04,217 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:13:04,218 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:13:04,218 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:13:04,218 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:13:04,218 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:13:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:13:04,288 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:13:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:13:04,914 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 03:13:04,915 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 03:13:04,916 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 40 with the following transitions: [2018-01-25 03:13:04,919 INFO L201 CegarAbsIntRunner]: [0], [9], [18], [19], [20], [21], [22], [25], [29], [34], [35], [38], [39], [40], [42], [44], [146], [147], [150], [154], [253], [254], [258], [259], [260], [261], [264], [267], [268], [273], [297], [301], [302], [303], [305] [2018-01-25 03:13:05,025 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-25 03:13:05,025 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown