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_precise.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/complex_data_creation_test01_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 23:45:28,384 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 23:45:28,386 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 23:45:28,399 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 23:45:28,400 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 23:45:28,401 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 23:45:28,402 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 23:45:28,403 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 23:45:28,406 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 23:45:28,406 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 23:45:28,407 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 23:45:28,408 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 23:45:28,409 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 23:45:28,410 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 23:45:28,410 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 23:45:28,413 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 23:45:28,415 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 23:45:28,417 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 23:45:28,418 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 23:45:28,419 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 23:45:28,421 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 23:45:28,422 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 23:45:28,422 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 23:45:28,423 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 23:45:28,424 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 23:45:28,425 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 23:45:28,425 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 23:45:28,426 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 23:45:28,426 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 23:45:28,426 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 23:45:28,427 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 23:45:28,427 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_precise.epf [2018-01-24 23:45:28,437 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 23:45:28,437 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 23:45:28,438 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 23:45:28,438 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 23:45:28,438 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 23:45:28,439 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-24 23:45:28,439 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 23:45:28,439 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 23:45:28,440 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 23:45:28,440 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 23:45:28,440 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 23:45:28,440 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 23:45:28,440 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 23:45:28,441 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 23:45:28,441 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 23:45:28,441 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 23:45:28,441 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 23:45:28,441 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 23:45:28,442 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 23:45:28,442 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 23:45:28,442 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 23:45:28,442 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 23:45:28,442 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 23:45:28,443 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 23:45:28,443 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 23:45:28,443 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 23:45:28,443 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 23:45:28,443 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 23:45:28,444 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 23:45:28,444 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-24 23:45:28,444 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 23:45:28,444 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 23:45:28,444 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 23:45:28,445 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-24 23:45:28,445 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 23:45:28,446 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 23:45:28,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 23:45:28,492 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 23:45:28,496 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 23:45:28,498 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 23:45:28,498 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 23:45:28,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/complex_data_creation_test01_false-valid-memtrack.i [2018-01-24 23:45:28,663 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 23:45:28,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 23:45:28,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 23:45:28,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 23:45:28,677 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 23:45:28,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 11:45:28" (1/1) ... [2018-01-24 23:45:28,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bda4018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:45:28, skipping insertion in model container [2018-01-24 23:45:28,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 11:45:28" (1/1) ... [2018-01-24 23:45:28,700 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 23:45:28,741 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 23:45:28,864 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 23:45:28,892 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 23:45:28,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:45:28 WrapperNode [2018-01-24 23:45:28,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 23:45:28,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 23:45:28,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 23:45:28,904 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 23:45:28,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:45:28" (1/1) ... [2018-01-24 23:45:28,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:45:28" (1/1) ... [2018-01-24 23:45:28,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:45:28" (1/1) ... [2018-01-24 23:45:28,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:45:28" (1/1) ... [2018-01-24 23:45:28,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:45:28" (1/1) ... [2018-01-24 23:45:28,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:45:28" (1/1) ... [2018-01-24 23:45:28,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:45:28" (1/1) ... [2018-01-24 23:45:28,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 23:45:28,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 23:45:28,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 23:45:28,947 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 23:45:28,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:45:28" (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 [2018-01-24 23:45:28,993 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 23:45:28,993 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 23:45:28,993 INFO L136 BoogieDeclarations]: Found implementation of procedure create_data [2018-01-24 23:45:28,993 INFO L136 BoogieDeclarations]: Found implementation of procedure freeData [2018-01-24 23:45:28,994 INFO L136 BoogieDeclarations]: Found implementation of procedure append [2018-01-24 23:45:28,994 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 23:45:28,994 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 23:45:28,994 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 23:45:28,994 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 23:45:28,994 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 23:45:28,994 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 23:45:28,994 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 23:45:28,994 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 23:45:28,995 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 23:45:28,995 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 23:45:28,995 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 23:45:28,995 INFO L128 BoogieDeclarations]: Found specification of procedure create_data [2018-01-24 23:45:28,995 INFO L128 BoogieDeclarations]: Found specification of procedure freeData [2018-01-24 23:45:28,995 INFO L128 BoogieDeclarations]: Found specification of procedure append [2018-01-24 23:45:28,995 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 23:45:28,995 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 23:45:28,995 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 23:45:29,715 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 23:45:29,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 11:45:29 BoogieIcfgContainer [2018-01-24 23:45:29,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 23:45:29,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-24 23:45:29,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-24 23:45:29,719 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-24 23:45:29,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 11:45:28" (1/3) ... [2018-01-24 23:45:29,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5200ec76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 11:45:29, skipping insertion in model container [2018-01-24 23:45:29,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:45:28" (2/3) ... [2018-01-24 23:45:29,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5200ec76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 11:45:29, skipping insertion in model container [2018-01-24 23:45:29,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 11:45:29" (3/3) ... [2018-01-24 23:45:29,722 INFO L105 eAbstractionObserver]: Analyzing ICFG complex_data_creation_test01_false-valid-memtrack.i [2018-01-24 23:45:29,729 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-24 23:45:29,736 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 91 error locations. [2018-01-24 23:45:29,778 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-24 23:45:29,779 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-24 23:45:29,779 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-24 23:45:29,779 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-24 23:45:29,779 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-24 23:45:29,779 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-24 23:45:29,779 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-24 23:45:29,779 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-24 23:45:29,780 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-24 23:45:29,801 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states. [2018-01-24 23:45:29,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-24 23:45:29,807 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:45:29,808 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-24 23:45:29,809 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]=== [2018-01-24 23:45:29,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1826704007, now seen corresponding path program 1 times [2018-01-24 23:45:29,814 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:45:29,855 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:29,855 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:45:29,855 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:29,855 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:45:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:45:29,901 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:45:29,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 23:45:29,972 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:45:29,987 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-24 23:45:29,987 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:45:29,991 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-24 23:45:30,082 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-24 23:45:30,083 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-24 23:45:30,086 INFO L87 Difference]: Start difference. First operand 213 states. Second operand 3 states. [2018-01-24 23:45:30,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:45:30,434 INFO L93 Difference]: Finished difference Result 412 states and 451 transitions. [2018-01-24 23:45:30,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-24 23:45:30,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-01-24 23:45:30,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:45:30,451 INFO L225 Difference]: With dead ends: 412 [2018-01-24 23:45:30,451 INFO L226 Difference]: Without dead ends: 205 [2018-01-24 23:45:30,457 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 [2018-01-24 23:45:30,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-01-24 23:45:30,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-01-24 23:45:30,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-01-24 23:45:30,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 217 transitions. [2018-01-24 23:45:30,514 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 217 transitions. Word has length 7 [2018-01-24 23:45:30,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:45:30,514 INFO L432 AbstractCegarLoop]: Abstraction has 205 states and 217 transitions. [2018-01-24 23:45:30,514 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-24 23:45:30,515 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 217 transitions. [2018-01-24 23:45:30,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-24 23:45:30,515 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:45:30,515 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-24 23:45:30,516 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]=== [2018-01-24 23:45:30,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1826704008, now seen corresponding path program 1 times [2018-01-24 23:45:30,516 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:45:30,517 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:30,517 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:45:30,517 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:30,517 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:45:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:45:30,534 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:45:30,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 23:45:30,581 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:45:30,581 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-24 23:45:30,582 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:45:30,583 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-24 23:45:30,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-24 23:45:30,584 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-24 23:45:30,584 INFO L87 Difference]: Start difference. First operand 205 states and 217 transitions. Second operand 3 states. [2018-01-24 23:45:30,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:45:30,762 INFO L93 Difference]: Finished difference Result 207 states and 220 transitions. [2018-01-24 23:45:30,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-24 23:45:30,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-01-24 23:45:30,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:45:30,765 INFO L225 Difference]: With dead ends: 207 [2018-01-24 23:45:30,765 INFO L226 Difference]: Without dead ends: 206 [2018-01-24 23:45:30,766 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 [2018-01-24 23:45:30,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-01-24 23:45:30,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 204. [2018-01-24 23:45:30,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-01-24 23:45:30,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 216 transitions. [2018-01-24 23:45:30,781 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 216 transitions. Word has length 7 [2018-01-24 23:45:30,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:45:30,782 INFO L432 AbstractCegarLoop]: Abstraction has 204 states and 216 transitions. [2018-01-24 23:45:30,782 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-24 23:45:30,782 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 216 transitions. [2018-01-24 23:45:30,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-24 23:45:30,783 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:45:30,783 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 23:45:30,783 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]=== [2018-01-24 23:45:30,783 INFO L82 PathProgramCache]: Analyzing trace with hash 627159801, now seen corresponding path program 1 times [2018-01-24 23:45:30,784 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:45:30,785 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:30,785 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:45:30,785 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:30,785 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:45:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:45:30,807 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:45:30,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 23:45:30,884 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:45:30,903 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 23:45:30,903 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:45:30,903 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 23:45:30,904 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 23:45:30,904 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 23:45:30,904 INFO L87 Difference]: Start difference. First operand 204 states and 216 transitions. Second operand 5 states. [2018-01-24 23:45:31,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:45:31,151 INFO L93 Difference]: Finished difference Result 204 states and 216 transitions. [2018-01-24 23:45:31,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 23:45:31,151 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-01-24 23:45:31,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:45:31,152 INFO L225 Difference]: With dead ends: 204 [2018-01-24 23:45:31,153 INFO L226 Difference]: Without dead ends: 202 [2018-01-24 23:45:31,153 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-24 23:45:31,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-01-24 23:45:31,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2018-01-24 23:45:31,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-01-24 23:45:31,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 214 transitions. [2018-01-24 23:45:31,168 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 214 transitions. Word has length 14 [2018-01-24 23:45:31,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:45:31,169 INFO L432 AbstractCegarLoop]: Abstraction has 202 states and 214 transitions. [2018-01-24 23:45:31,169 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 23:45:31,169 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 214 transitions. [2018-01-24 23:45:31,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-24 23:45:31,170 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:45:31,170 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 23:45:31,170 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]=== [2018-01-24 23:45:31,170 INFO L82 PathProgramCache]: Analyzing trace with hash 627159802, now seen corresponding path program 1 times [2018-01-24 23:45:31,170 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:45:31,171 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:31,171 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:45:31,171 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:31,172 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:45:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:45:31,188 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:45:31,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 23:45:31,302 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:45:31,302 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-24 23:45:31,302 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:45:31,303 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-24 23:45:31,303 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-24 23:45:31,303 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-24 23:45:31,304 INFO L87 Difference]: Start difference. First operand 202 states and 214 transitions. Second operand 7 states. [2018-01-24 23:45:31,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:45:31,695 INFO L93 Difference]: Finished difference Result 224 states and 240 transitions. [2018-01-24 23:45:31,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 23:45:31,695 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-01-24 23:45:31,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:45:31,697 INFO L225 Difference]: With dead ends: 224 [2018-01-24 23:45:31,698 INFO L226 Difference]: Without dead ends: 222 [2018-01-24 23:45:31,698 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 [2018-01-24 23:45:31,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-01-24 23:45:31,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 211. [2018-01-24 23:45:31,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-01-24 23:45:31,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 226 transitions. [2018-01-24 23:45:31,713 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 226 transitions. Word has length 14 [2018-01-24 23:45:31,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:45:31,714 INFO L432 AbstractCegarLoop]: Abstraction has 211 states and 226 transitions. [2018-01-24 23:45:31,714 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-24 23:45:31,714 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 226 transitions. [2018-01-24 23:45:31,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-24 23:45:31,714 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:45:31,715 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 23:45:31,715 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]=== [2018-01-24 23:45:31,715 INFO L82 PathProgramCache]: Analyzing trace with hash -2032882424, now seen corresponding path program 1 times [2018-01-24 23:45:31,715 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:45:31,716 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:31,716 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:45:31,717 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:31,717 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:45:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:45:31,730 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:45:31,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 23:45:31,756 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:45:31,756 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 23:45:31,756 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:45:31,757 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 23:45:31,757 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 23:45:31,757 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 23:45:31,757 INFO L87 Difference]: Start difference. First operand 211 states and 226 transitions. Second operand 4 states. [2018-01-24 23:45:31,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:45:31,930 INFO L93 Difference]: Finished difference Result 211 states and 226 transitions. [2018-01-24 23:45:31,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 23:45:31,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-24 23:45:31,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:45:31,932 INFO L225 Difference]: With dead ends: 211 [2018-01-24 23:45:31,932 INFO L226 Difference]: Without dead ends: 209 [2018-01-24 23:45:31,933 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 [2018-01-24 23:45:31,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-01-24 23:45:31,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-01-24 23:45:31,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-01-24 23:45:31,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 223 transitions. [2018-01-24 23:45:31,947 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 223 transitions. Word has length 15 [2018-01-24 23:45:31,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:45:31,947 INFO L432 AbstractCegarLoop]: Abstraction has 209 states and 223 transitions. [2018-01-24 23:45:31,947 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 23:45:31,948 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 223 transitions. [2018-01-24 23:45:31,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-24 23:45:31,948 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:45:31,948 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 23:45:31,948 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]=== [2018-01-24 23:45:31,949 INFO L82 PathProgramCache]: Analyzing trace with hash -2032882423, now seen corresponding path program 1 times [2018-01-24 23:45:31,949 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:45:31,950 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:31,950 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:45:31,950 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:31,950 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:45:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:45:31,962 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:45:31,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 23:45:31,995 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:45:31,995 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 23:45:31,995 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:45:31,995 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 23:45:31,996 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 23:45:31,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 23:45:31,996 INFO L87 Difference]: Start difference. First operand 209 states and 223 transitions. Second operand 4 states. [2018-01-24 23:45:32,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:45:32,157 INFO L93 Difference]: Finished difference Result 209 states and 223 transitions. [2018-01-24 23:45:32,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 23:45:32,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-24 23:45:32,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:45:32,159 INFO L225 Difference]: With dead ends: 209 [2018-01-24 23:45:32,159 INFO L226 Difference]: Without dead ends: 207 [2018-01-24 23:45:32,160 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 [2018-01-24 23:45:32,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-01-24 23:45:32,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-01-24 23:45:32,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-01-24 23:45:32,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 220 transitions. [2018-01-24 23:45:32,170 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 220 transitions. Word has length 15 [2018-01-24 23:45:32,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:45:32,170 INFO L432 AbstractCegarLoop]: Abstraction has 207 states and 220 transitions. [2018-01-24 23:45:32,170 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 23:45:32,170 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 220 transitions. [2018-01-24 23:45:32,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-24 23:45:32,171 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:45:32,171 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] [2018-01-24 23:45:32,171 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]=== [2018-01-24 23:45:32,171 INFO L82 PathProgramCache]: Analyzing trace with hash -290527541, now seen corresponding path program 1 times [2018-01-24 23:45:32,171 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:45:32,172 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:32,172 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:45:32,172 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:32,172 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:45:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:45:32,184 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:45:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 23:45:32,445 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:45:32,446 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-01-24 23:45:32,446 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:45:32,446 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-01-24 23:45:32,446 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-01-24 23:45:32,447 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-01-24 23:45:32,447 INFO L87 Difference]: Start difference. First operand 207 states and 220 transitions. Second operand 13 states. [2018-01-24 23:45:33,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:45:33,408 INFO L93 Difference]: Finished difference Result 399 states and 427 transitions. [2018-01-24 23:45:33,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-24 23:45:33,408 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 20 [2018-01-24 23:45:33,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:45:33,410 INFO L225 Difference]: With dead ends: 399 [2018-01-24 23:45:33,410 INFO L226 Difference]: Without dead ends: 209 [2018-01-24 23:45:33,411 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2018-01-24 23:45:33,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-01-24 23:45:33,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 208. [2018-01-24 23:45:33,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-01-24 23:45:33,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 221 transitions. [2018-01-24 23:45:33,421 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 221 transitions. Word has length 20 [2018-01-24 23:45:33,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:45:33,422 INFO L432 AbstractCegarLoop]: Abstraction has 208 states and 221 transitions. [2018-01-24 23:45:33,422 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-01-24 23:45:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 221 transitions. [2018-01-24 23:45:33,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-24 23:45:33,423 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:45:33,423 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] [2018-01-24 23:45:33,423 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]=== [2018-01-24 23:45:33,423 INFO L82 PathProgramCache]: Analyzing trace with hash -30107462, now seen corresponding path program 1 times [2018-01-24 23:45:33,424 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:45:33,425 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:33,425 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:45:33,425 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:33,425 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:45:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:45:33,437 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:45:33,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 23:45:33,483 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:45:33,483 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 23:45:33,483 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:45:33,483 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 23:45:33,483 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 23:45:33,484 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 23:45:33,484 INFO L87 Difference]: Start difference. First operand 208 states and 221 transitions. Second operand 4 states. [2018-01-24 23:45:33,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:45:33,521 INFO L93 Difference]: Finished difference Result 484 states and 520 transitions. [2018-01-24 23:45:33,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 23:45:33,522 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-01-24 23:45:33,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:45:33,524 INFO L225 Difference]: With dead ends: 484 [2018-01-24 23:45:33,524 INFO L226 Difference]: Without dead ends: 294 [2018-01-24 23:45:33,525 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 [2018-01-24 23:45:33,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-01-24 23:45:33,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 258. [2018-01-24 23:45:33,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-01-24 23:45:33,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 311 transitions. [2018-01-24 23:45:33,539 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 311 transitions. Word has length 22 [2018-01-24 23:45:33,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:45:33,539 INFO L432 AbstractCegarLoop]: Abstraction has 258 states and 311 transitions. [2018-01-24 23:45:33,539 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 23:45:33,539 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 311 transitions. [2018-01-24 23:45:33,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-24 23:45:33,540 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:45:33,540 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] [2018-01-24 23:45:33,540 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]=== [2018-01-24 23:45:33,540 INFO L82 PathProgramCache]: Analyzing trace with hash 929227204, now seen corresponding path program 1 times [2018-01-24 23:45:33,541 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:45:33,542 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:33,542 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:45:33,542 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:33,542 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:45:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:45:33,556 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:45:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 23:45:33,620 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:45:33,621 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 23:45:33,621 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:45:33,621 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 23:45:33,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 23:45:33,622 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 23:45:33,622 INFO L87 Difference]: Start difference. First operand 258 states and 311 transitions. Second operand 4 states. [2018-01-24 23:45:33,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:45:33,834 INFO L93 Difference]: Finished difference Result 260 states and 313 transitions. [2018-01-24 23:45:33,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 23:45:33,834 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-01-24 23:45:33,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:45:33,836 INFO L225 Difference]: With dead ends: 260 [2018-01-24 23:45:33,836 INFO L226 Difference]: Without dead ends: 245 [2018-01-24 23:45:33,836 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-24 23:45:33,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-01-24 23:45:33,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 243. [2018-01-24 23:45:33,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-01-24 23:45:33,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 281 transitions. [2018-01-24 23:45:33,848 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 281 transitions. Word has length 26 [2018-01-24 23:45:33,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:45:33,848 INFO L432 AbstractCegarLoop]: Abstraction has 243 states and 281 transitions. [2018-01-24 23:45:33,848 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 23:45:33,848 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 281 transitions. [2018-01-24 23:45:33,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-24 23:45:33,849 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:45:33,849 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] [2018-01-24 23:45:33,849 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]=== [2018-01-24 23:45:33,849 INFO L82 PathProgramCache]: Analyzing trace with hash 929227205, now seen corresponding path program 1 times [2018-01-24 23:45:33,849 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:45:33,850 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:33,850 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:45:33,851 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:33,851 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:45:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:45:33,865 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:45:33,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 23:45:33,913 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:45:33,913 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 23:45:33,913 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:45:33,913 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 23:45:33,914 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 23:45:33,914 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-24 23:45:33,914 INFO L87 Difference]: Start difference. First operand 243 states and 281 transitions. Second operand 5 states. [2018-01-24 23:45:34,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:45:34,182 INFO L93 Difference]: Finished difference Result 245 states and 283 transitions. [2018-01-24 23:45:34,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 23:45:34,182 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-24 23:45:34,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:45:34,184 INFO L225 Difference]: With dead ends: 245 [2018-01-24 23:45:34,184 INFO L226 Difference]: Without dead ends: 230 [2018-01-24 23:45:34,185 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-01-24 23:45:34,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-01-24 23:45:34,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 228. [2018-01-24 23:45:34,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-01-24 23:45:34,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 251 transitions. [2018-01-24 23:45:34,198 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 251 transitions. Word has length 26 [2018-01-24 23:45:34,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:45:34,199 INFO L432 AbstractCegarLoop]: Abstraction has 228 states and 251 transitions. [2018-01-24 23:45:34,199 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 23:45:34,199 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 251 transitions. [2018-01-24 23:45:34,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-24 23:45:34,200 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:45:34,200 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] [2018-01-24 23:45:34,200 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]=== [2018-01-24 23:45:34,201 INFO L82 PathProgramCache]: Analyzing trace with hash 2007437674, now seen corresponding path program 1 times [2018-01-24 23:45:34,201 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:45:34,202 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:34,202 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:45:34,202 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:34,202 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:45:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:45:34,218 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:45:34,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 23:45:34,292 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:45:34,292 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 23:45:34,292 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:45:34,293 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 23:45:34,293 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 23:45:34,293 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 23:45:34,293 INFO L87 Difference]: Start difference. First operand 228 states and 251 transitions. Second operand 5 states. [2018-01-24 23:45:34,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:45:34,620 INFO L93 Difference]: Finished difference Result 296 states and 333 transitions. [2018-01-24 23:45:34,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 23:45:34,620 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-01-24 23:45:34,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:45:34,622 INFO L225 Difference]: With dead ends: 296 [2018-01-24 23:45:34,622 INFO L226 Difference]: Without dead ends: 295 [2018-01-24 23:45:34,623 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-01-24 23:45:34,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-01-24 23:45:34,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 238. [2018-01-24 23:45:34,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-01-24 23:45:34,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 265 transitions. [2018-01-24 23:45:34,636 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 265 transitions. Word has length 32 [2018-01-24 23:45:34,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:45:34,636 INFO L432 AbstractCegarLoop]: Abstraction has 238 states and 265 transitions. [2018-01-24 23:45:34,636 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 23:45:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 265 transitions. [2018-01-24 23:45:34,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-24 23:45:34,637 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:45:34,637 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] [2018-01-24 23:45:34,638 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]=== [2018-01-24 23:45:34,638 INFO L82 PathProgramCache]: Analyzing trace with hash 2007437675, now seen corresponding path program 1 times [2018-01-24 23:45:34,638 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:45:34,639 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:34,639 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:45:34,639 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:34,639 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:45:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:45:34,655 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:45:34,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 23:45:34,778 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:45:34,778 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 23:45:34,778 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:45:34,779 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 23:45:34,779 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 23:45:34,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-24 23:45:34,779 INFO L87 Difference]: Start difference. First operand 238 states and 265 transitions. Second operand 6 states. [2018-01-24 23:45:35,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:45:35,222 INFO L93 Difference]: Finished difference Result 466 states and 523 transitions. [2018-01-24 23:45:35,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-24 23:45:35,222 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-24 23:45:35,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:45:35,224 INFO L225 Difference]: With dead ends: 466 [2018-01-24 23:45:35,224 INFO L226 Difference]: Without dead ends: 246 [2018-01-24 23:45:35,225 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-01-24 23:45:35,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-01-24 23:45:35,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 238. [2018-01-24 23:45:35,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-01-24 23:45:35,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 261 transitions. [2018-01-24 23:45:35,239 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 261 transitions. Word has length 32 [2018-01-24 23:45:35,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:45:35,240 INFO L432 AbstractCegarLoop]: Abstraction has 238 states and 261 transitions. [2018-01-24 23:45:35,240 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 23:45:35,240 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 261 transitions. [2018-01-24 23:45:35,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-01-24 23:45:35,241 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:45:35,241 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] [2018-01-24 23:45:35,241 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]=== [2018-01-24 23:45:35,242 INFO L82 PathProgramCache]: Analyzing trace with hash 2018693333, now seen corresponding path program 1 times [2018-01-24 23:45:35,242 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:45:35,243 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:35,243 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:45:35,243 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:45:35,243 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:45:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:45:35,262 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:45:35,410 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 23:45:35,411 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 23:45:35,411 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 23:45:35,412 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 40 with the following transitions: [2018-01-24 23:45:35,415 INFO L201 CegarAbsIntRunner]: [0], [9], [18], [19], [20], [21], [22], [25], [29], [34], [35], [38], [39], [40], [42], [44], [137], [138], [141], [145], [244], [245], [249], [250], [251], [252], [255], [258], [259], [264], [288], [292], [293], [294], [296] [2018-01-24 23:45:35,476 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-24 23:45:35,477 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