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_test02_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 23:47:49,453 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 23:47:49,466 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 23:47:49,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 23:47:49,481 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 23:47:49,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 23:47:49,483 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 23:47:49,485 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 23:47:49,487 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 23:47:49,488 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 23:47:49,488 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 23:47:49,488 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 23:47:49,489 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 23:47:49,490 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 23:47:49,491 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 23:47:49,493 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 23:47:49,495 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 23:47:49,497 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 23:47:49,499 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 23:47:49,500 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 23:47:49,503 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 23:47:49,503 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 23:47:49,503 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 23:47:49,504 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 23:47:49,505 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 23:47:49,506 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 23:47:49,506 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 23:47:49,507 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 23:47:49,507 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 23:47:49,507 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 23:47:49,508 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 23:47:49,508 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 23:47:49,518 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 23:47:49,518 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 23:47:49,519 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 23:47:49,519 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 23:47:49,520 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 23:47:49,520 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-24 23:47:49,520 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 23:47:49,520 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 23:47:49,521 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 23:47:49,521 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 23:47:49,521 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 23:47:49,521 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 23:47:49,522 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 23:47:49,522 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 23:47:49,522 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 23:47:49,522 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 23:47:49,522 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 23:47:49,523 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 23:47:49,523 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 23:47:49,523 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 23:47:49,523 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 23:47:49,523 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 23:47:49,524 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 23:47:49,524 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 23:47:49,524 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 23:47:49,524 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 23:47:49,525 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 23:47:49,525 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 23:47:49,525 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 23:47:49,525 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-24 23:47:49,525 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 23:47:49,525 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 23:47:49,526 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 23:47:49,526 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-24 23:47:49,527 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 23:47:49,527 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 23:47:49,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 23:47:49,574 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 23:47:49,578 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 23:47:49,579 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 23:47:49,579 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 23:47:49,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/complex_data_creation_test02_true-valid-memsafety.i [2018-01-24 23:47:49,756 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 23:47:49,763 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 23:47:49,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 23:47:49,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 23:47:49,770 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 23:47:49,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 11:47:49" (1/1) ... [2018-01-24 23:47:49,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33816df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:47:49, skipping insertion in model container [2018-01-24 23:47:49,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 11:47:49" (1/1) ... [2018-01-24 23:47:49,795 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 23:47:49,837 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 23:47:49,965 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 23:47:49,991 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 23:47:50,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:47:50 WrapperNode [2018-01-24 23:47:50,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 23:47:50,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 23:47:50,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 23:47:50,005 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 23:47:50,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:47:50" (1/1) ... [2018-01-24 23:47:50,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:47:50" (1/1) ... [2018-01-24 23:47:50,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:47:50" (1/1) ... [2018-01-24 23:47:50,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:47:50" (1/1) ... [2018-01-24 23:47:50,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:47:50" (1/1) ... [2018-01-24 23:47:50,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:47:50" (1/1) ... [2018-01-24 23:47:50,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:47:50" (1/1) ... [2018-01-24 23:47:50,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 23:47:50,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 23:47:50,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 23:47:50,049 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 23:47:50,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:47:50" (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 23:47:50,104 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 23:47:50,104 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 23:47:50,104 INFO L136 BoogieDeclarations]: Found implementation of procedure create_data [2018-01-24 23:47:50,104 INFO L136 BoogieDeclarations]: Found implementation of procedure freeData [2018-01-24 23:47:50,105 INFO L136 BoogieDeclarations]: Found implementation of procedure append [2018-01-24 23:47:50,105 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 23:47:50,105 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 23:47:50,105 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 23:47:50,105 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 23:47:50,105 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 23:47:50,106 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 23:47:50,106 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 23:47:50,106 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 23:47:50,106 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 23:47:50,106 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 23:47:50,106 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 23:47:50,107 INFO L128 BoogieDeclarations]: Found specification of procedure create_data [2018-01-24 23:47:50,107 INFO L128 BoogieDeclarations]: Found specification of procedure freeData [2018-01-24 23:47:50,107 INFO L128 BoogieDeclarations]: Found specification of procedure append [2018-01-24 23:47:50,107 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 23:47:50,107 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 23:47:50,107 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 23:47:50,794 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 23:47:50,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 11:47:50 BoogieIcfgContainer [2018-01-24 23:47:50,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 23:47:50,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-24 23:47:50,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-24 23:47:50,800 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-24 23:47:50,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 11:47:49" (1/3) ... [2018-01-24 23:47:50,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11cec450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 11:47:50, skipping insertion in model container [2018-01-24 23:47:50,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:47:50" (2/3) ... [2018-01-24 23:47:50,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11cec450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 11:47:50, skipping insertion in model container [2018-01-24 23:47:50,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 11:47:50" (3/3) ... [2018-01-24 23:47:50,805 INFO L105 eAbstractionObserver]: Analyzing ICFG complex_data_creation_test02_true-valid-memsafety.i [2018-01-24 23:47:50,815 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-24 23:47:50,825 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 91 error locations. [2018-01-24 23:47:50,879 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-24 23:47:50,879 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-24 23:47:50,879 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-24 23:47:50,879 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-24 23:47:50,879 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-24 23:47:50,880 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-24 23:47:50,880 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-24 23:47:50,880 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-24 23:47:50,881 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-24 23:47:50,904 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-01-24 23:47:50,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-24 23:47:50,909 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:47:50,910 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-24 23:47:50,910 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 23:47:50,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1490553648, now seen corresponding path program 1 times [2018-01-24 23:47:50,915 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:47:50,954 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:50,954 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:47:50,954 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:50,954 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:47:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:47:50,996 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:47:51,048 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 23:47:51,050 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:47:51,050 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-24 23:47:51,051 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:47:51,053 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-24 23:47:51,150 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-24 23:47:51,151 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-24 23:47:51,153 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-01-24 23:47:51,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:47:51,410 INFO L93 Difference]: Finished difference Result 418 states and 459 transitions. [2018-01-24 23:47:51,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-24 23:47:51,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-01-24 23:47:51,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:47:51,427 INFO L225 Difference]: With dead ends: 418 [2018-01-24 23:47:51,427 INFO L226 Difference]: Without dead ends: 208 [2018-01-24 23:47:51,434 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 23:47:51,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-01-24 23:47:51,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2018-01-24 23:47:51,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-01-24 23:47:51,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 220 transitions. [2018-01-24 23:47:51,492 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 220 transitions. Word has length 7 [2018-01-24 23:47:51,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:47:51,493 INFO L432 AbstractCegarLoop]: Abstraction has 208 states and 220 transitions. [2018-01-24 23:47:51,493 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-24 23:47:51,493 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 220 transitions. [2018-01-24 23:47:51,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-24 23:47:51,494 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:47:51,494 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-24 23:47:51,494 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 23:47:51,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1490553649, now seen corresponding path program 1 times [2018-01-24 23:47:51,494 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:47:51,495 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:51,496 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:47:51,496 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:51,496 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:47:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:47:51,514 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:47:51,561 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 23:47:51,562 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:47:51,562 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-24 23:47:51,562 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:47:51,563 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-24 23:47:51,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-24 23:47:51,563 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-24 23:47:51,564 INFO L87 Difference]: Start difference. First operand 208 states and 220 transitions. Second operand 3 states. [2018-01-24 23:47:51,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:47:51,716 INFO L93 Difference]: Finished difference Result 210 states and 223 transitions. [2018-01-24 23:47:51,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-24 23:47:51,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-01-24 23:47:51,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:47:51,720 INFO L225 Difference]: With dead ends: 210 [2018-01-24 23:47:51,720 INFO L226 Difference]: Without dead ends: 209 [2018-01-24 23:47:51,721 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 23:47:51,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-01-24 23:47:51,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 207. [2018-01-24 23:47:51,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-01-24 23:47:51,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 219 transitions. [2018-01-24 23:47:51,740 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 219 transitions. Word has length 7 [2018-01-24 23:47:51,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:47:51,741 INFO L432 AbstractCegarLoop]: Abstraction has 207 states and 219 transitions. [2018-01-24 23:47:51,741 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-24 23:47:51,741 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 219 transitions. [2018-01-24 23:47:51,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-24 23:47:51,742 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:47:51,742 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 23:47:51,742 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 23:47:51,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1508922073, now seen corresponding path program 1 times [2018-01-24 23:47:51,743 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:47:51,744 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:51,744 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:47:51,744 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:51,744 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:47:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:47:51,766 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:47:51,845 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 23:47:51,846 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:47:51,846 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 23:47:51,846 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:47:51,846 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 23:47:51,846 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 23:47:51,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 23:47:51,847 INFO L87 Difference]: Start difference. First operand 207 states and 219 transitions. Second operand 5 states. [2018-01-24 23:47:52,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:47:52,082 INFO L93 Difference]: Finished difference Result 207 states and 219 transitions. [2018-01-24 23:47:52,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 23:47:52,083 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-01-24 23:47:52,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:47:52,085 INFO L225 Difference]: With dead ends: 207 [2018-01-24 23:47:52,085 INFO L226 Difference]: Without dead ends: 205 [2018-01-24 23:47:52,085 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-24 23:47:52,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-01-24 23:47:52,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-01-24 23:47:52,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-01-24 23:47:52,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 217 transitions. [2018-01-24 23:47:52,099 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 217 transitions. Word has length 14 [2018-01-24 23:47:52,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:47:52,100 INFO L432 AbstractCegarLoop]: Abstraction has 205 states and 217 transitions. [2018-01-24 23:47:52,100 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 23:47:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 217 transitions. [2018-01-24 23:47:52,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-24 23:47:52,101 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:47:52,101 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 23:47:52,101 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 23:47:52,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1508922074, now seen corresponding path program 1 times [2018-01-24 23:47:52,102 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:47:52,103 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:52,103 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:47:52,103 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:52,103 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:47:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:47:52,116 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:47:52,224 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 23:47:52,224 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:47:52,224 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-24 23:47:52,225 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:47:52,225 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-24 23:47:52,225 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-24 23:47:52,226 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-24 23:47:52,226 INFO L87 Difference]: Start difference. First operand 205 states and 217 transitions. Second operand 7 states. [2018-01-24 23:47:52,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:47:52,613 INFO L93 Difference]: Finished difference Result 227 states and 243 transitions. [2018-01-24 23:47:52,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 23:47:52,614 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-01-24 23:47:52,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:47:52,616 INFO L225 Difference]: With dead ends: 227 [2018-01-24 23:47:52,616 INFO L226 Difference]: Without dead ends: 225 [2018-01-24 23:47:52,617 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 23:47:52,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-01-24 23:47:52,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 214. [2018-01-24 23:47:52,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-01-24 23:47:52,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 229 transitions. [2018-01-24 23:47:52,632 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 229 transitions. Word has length 14 [2018-01-24 23:47:52,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:47:52,633 INFO L432 AbstractCegarLoop]: Abstraction has 214 states and 229 transitions. [2018-01-24 23:47:52,633 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-24 23:47:52,633 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 229 transitions. [2018-01-24 23:47:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-24 23:47:52,633 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:47:52,634 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 23:47:52,634 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 23:47:52,634 INFO L82 PathProgramCache]: Analyzing trace with hash -468055759, now seen corresponding path program 1 times [2018-01-24 23:47:52,634 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:47:52,636 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:52,636 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:47:52,636 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:52,636 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:47:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:47:52,650 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:47:52,684 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 23:47:52,684 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:47:52,684 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 23:47:52,685 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:47:52,685 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 23:47:52,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 23:47:52,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 23:47:52,685 INFO L87 Difference]: Start difference. First operand 214 states and 229 transitions. Second operand 4 states. [2018-01-24 23:47:52,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:47:52,866 INFO L93 Difference]: Finished difference Result 214 states and 229 transitions. [2018-01-24 23:47:52,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 23:47:52,868 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-24 23:47:52,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:47:52,870 INFO L225 Difference]: With dead ends: 214 [2018-01-24 23:47:52,870 INFO L226 Difference]: Without dead ends: 212 [2018-01-24 23:47:52,871 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 23:47:52,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-01-24 23:47:52,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2018-01-24 23:47:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-01-24 23:47:52,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 226 transitions. [2018-01-24 23:47:52,882 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 226 transitions. Word has length 15 [2018-01-24 23:47:52,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:47:52,882 INFO L432 AbstractCegarLoop]: Abstraction has 212 states and 226 transitions. [2018-01-24 23:47:52,882 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 23:47:52,882 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 226 transitions. [2018-01-24 23:47:52,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-24 23:47:52,883 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:47:52,883 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 23:47:52,883 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 23:47:52,884 INFO L82 PathProgramCache]: Analyzing trace with hash -468055758, now seen corresponding path program 1 times [2018-01-24 23:47:52,884 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:47:52,885 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:52,885 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:47:52,885 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:52,885 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:47:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:47:52,897 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:47:52,936 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 23:47:52,936 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:47:52,936 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 23:47:52,937 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:47:52,937 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 23:47:52,937 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 23:47:52,937 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 23:47:52,937 INFO L87 Difference]: Start difference. First operand 212 states and 226 transitions. Second operand 4 states. [2018-01-24 23:47:53,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:47:53,091 INFO L93 Difference]: Finished difference Result 212 states and 226 transitions. [2018-01-24 23:47:53,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 23:47:53,092 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-24 23:47:53,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:47:53,093 INFO L225 Difference]: With dead ends: 212 [2018-01-24 23:47:53,094 INFO L226 Difference]: Without dead ends: 210 [2018-01-24 23:47:53,094 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 23:47:53,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-01-24 23:47:53,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2018-01-24 23:47:53,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-01-24 23:47:53,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 223 transitions. [2018-01-24 23:47:53,102 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 223 transitions. Word has length 15 [2018-01-24 23:47:53,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:47:53,102 INFO L432 AbstractCegarLoop]: Abstraction has 210 states and 223 transitions. [2018-01-24 23:47:53,102 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 23:47:53,103 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 223 transitions. [2018-01-24 23:47:53,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-24 23:47:53,103 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:47:53,103 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 23:47:53,104 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 23:47:53,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1490864651, now seen corresponding path program 1 times [2018-01-24 23:47:53,104 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:47:53,104 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:53,105 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:47:53,105 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:53,105 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:47:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:47:53,120 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:47:53,389 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 23:47:53,390 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:47:53,390 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-01-24 23:47:53,390 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:47:53,391 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-01-24 23:47:53,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-01-24 23:47:53,391 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-01-24 23:47:53,397 INFO L87 Difference]: Start difference. First operand 210 states and 223 transitions. Second operand 13 states. [2018-01-24 23:47:54,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:47:54,811 INFO L93 Difference]: Finished difference Result 405 states and 433 transitions. [2018-01-24 23:47:54,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-24 23:47:54,811 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 20 [2018-01-24 23:47:54,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:47:54,812 INFO L225 Difference]: With dead ends: 405 [2018-01-24 23:47:54,813 INFO L226 Difference]: Without dead ends: 212 [2018-01-24 23:47:54,813 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 23:47:54,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-01-24 23:47:54,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 211. [2018-01-24 23:47:54,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-01-24 23:47:54,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 224 transitions. [2018-01-24 23:47:54,824 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 224 transitions. Word has length 20 [2018-01-24 23:47:54,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:47:54,824 INFO L432 AbstractCegarLoop]: Abstraction has 211 states and 224 transitions. [2018-01-24 23:47:54,825 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-01-24 23:47:54,825 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 224 transitions. [2018-01-24 23:47:54,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-24 23:47:54,825 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:47:54,826 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 23:47:54,826 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 23:47:54,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1804170703, now seen corresponding path program 1 times [2018-01-24 23:47:54,826 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:47:54,827 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:54,827 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:47:54,827 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:54,828 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:47:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:47:54,841 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:47:54,882 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 23:47:54,883 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:47:54,883 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 23:47:54,883 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:47:54,883 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 23:47:54,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 23:47:54,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 23:47:54,884 INFO L87 Difference]: Start difference. First operand 211 states and 224 transitions. Second operand 4 states. [2018-01-24 23:47:54,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:47:54,939 INFO L93 Difference]: Finished difference Result 493 states and 529 transitions. [2018-01-24 23:47:54,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 23:47:54,939 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-01-24 23:47:54,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:47:54,940 INFO L225 Difference]: With dead ends: 493 [2018-01-24 23:47:54,941 INFO L226 Difference]: Without dead ends: 300 [2018-01-24 23:47:54,941 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 23:47:54,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-01-24 23:47:54,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 264. [2018-01-24 23:47:54,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2018-01-24 23:47:54,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 317 transitions. [2018-01-24 23:47:54,950 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 317 transitions. Word has length 22 [2018-01-24 23:47:54,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:47:54,950 INFO L432 AbstractCegarLoop]: Abstraction has 264 states and 317 transitions. [2018-01-24 23:47:54,950 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 23:47:54,950 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 317 transitions. [2018-01-24 23:47:54,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-24 23:47:54,951 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:47:54,951 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 23:47:54,951 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 23:47:54,951 INFO L82 PathProgramCache]: Analyzing trace with hash 265371579, now seen corresponding path program 1 times [2018-01-24 23:47:54,951 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:47:54,952 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:54,952 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:47:54,952 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:54,953 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:47:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:47:54,965 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:47:55,038 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 23:47:55,039 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:47:55,039 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 23:47:55,039 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:47:55,039 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 23:47:55,040 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 23:47:55,040 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 23:47:55,040 INFO L87 Difference]: Start difference. First operand 264 states and 317 transitions. Second operand 4 states. [2018-01-24 23:47:55,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:47:55,245 INFO L93 Difference]: Finished difference Result 290 states and 349 transitions. [2018-01-24 23:47:55,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 23:47:55,245 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-01-24 23:47:55,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:47:55,247 INFO L225 Difference]: With dead ends: 290 [2018-01-24 23:47:55,247 INFO L226 Difference]: Without dead ends: 277 [2018-01-24 23:47:55,247 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 23:47:55,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-01-24 23:47:55,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 266. [2018-01-24 23:47:55,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-01-24 23:47:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 315 transitions. [2018-01-24 23:47:55,257 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 315 transitions. Word has length 26 [2018-01-24 23:47:55,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:47:55,258 INFO L432 AbstractCegarLoop]: Abstraction has 266 states and 315 transitions. [2018-01-24 23:47:55,258 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 23:47:55,258 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 315 transitions. [2018-01-24 23:47:55,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-24 23:47:55,258 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:47:55,259 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 23:47:55,259 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 23:47:55,259 INFO L82 PathProgramCache]: Analyzing trace with hash 265371580, now seen corresponding path program 1 times [2018-01-24 23:47:55,259 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:47:55,260 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:55,260 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:47:55,260 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:55,260 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:47:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:47:55,274 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:47:55,385 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 23:47:55,386 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:47:55,386 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 23:47:55,386 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:47:55,386 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 23:47:55,386 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 23:47:55,386 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-24 23:47:55,386 INFO L87 Difference]: Start difference. First operand 266 states and 315 transitions. Second operand 5 states. [2018-01-24 23:47:55,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:47:55,684 INFO L93 Difference]: Finished difference Result 302 states and 357 transitions. [2018-01-24 23:47:55,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 23:47:55,685 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-24 23:47:55,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:47:55,687 INFO L225 Difference]: With dead ends: 302 [2018-01-24 23:47:55,687 INFO L226 Difference]: Without dead ends: 289 [2018-01-24 23:47:55,691 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 23:47:55,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-01-24 23:47:55,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 267. [2018-01-24 23:47:55,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-01-24 23:47:55,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 309 transitions. [2018-01-24 23:47:55,706 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 309 transitions. Word has length 26 [2018-01-24 23:47:55,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:47:55,706 INFO L432 AbstractCegarLoop]: Abstraction has 267 states and 309 transitions. [2018-01-24 23:47:55,706 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 23:47:55,706 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 309 transitions. [2018-01-24 23:47:55,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-24 23:47:55,707 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:47:55,708 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 23:47:55,708 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 23:47:55,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1933498913, now seen corresponding path program 1 times [2018-01-24 23:47:55,708 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:47:55,709 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:55,710 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:47:55,710 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:55,710 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:47:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:47:55,726 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:47:55,764 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 23:47:55,764 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:47:55,765 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 23:47:55,765 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:47:55,765 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 23:47:55,765 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 23:47:55,766 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 23:47:55,766 INFO L87 Difference]: Start difference. First operand 267 states and 309 transitions. Second operand 5 states. [2018-01-24 23:47:56,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:47:56,015 INFO L93 Difference]: Finished difference Result 339 states and 395 transitions. [2018-01-24 23:47:56,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 23:47:56,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-01-24 23:47:56,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:47:56,018 INFO L225 Difference]: With dead ends: 339 [2018-01-24 23:47:56,018 INFO L226 Difference]: Without dead ends: 338 [2018-01-24 23:47:56,019 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 23:47:56,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-01-24 23:47:56,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 277. [2018-01-24 23:47:56,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-01-24 23:47:56,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 323 transitions. [2018-01-24 23:47:56,029 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 323 transitions. Word has length 32 [2018-01-24 23:47:56,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:47:56,030 INFO L432 AbstractCegarLoop]: Abstraction has 277 states and 323 transitions. [2018-01-24 23:47:56,030 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 23:47:56,030 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 323 transitions. [2018-01-24 23:47:56,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-24 23:47:56,031 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:47:56,031 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 23:47:56,031 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 23:47:56,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1933498914, now seen corresponding path program 1 times [2018-01-24 23:47:56,031 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:47:56,032 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:56,032 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:47:56,032 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:56,033 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:47:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:47:56,045 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:47:56,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 23:47:56,249 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 23:47:56,249 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 23:47:56,249 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 23:47:56,249 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 23:47:56,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 23:47:56,249 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-24 23:47:56,250 INFO L87 Difference]: Start difference. First operand 277 states and 323 transitions. Second operand 6 states. [2018-01-24 23:47:56,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 23:47:56,511 INFO L93 Difference]: Finished difference Result 544 states and 639 transitions. [2018-01-24 23:47:56,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-24 23:47:56,511 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-24 23:47:56,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 23:47:56,513 INFO L225 Difference]: With dead ends: 544 [2018-01-24 23:47:56,514 INFO L226 Difference]: Without dead ends: 285 [2018-01-24 23:47:56,515 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-01-24 23:47:56,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-01-24 23:47:56,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 277. [2018-01-24 23:47:56,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-01-24 23:47:56,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 319 transitions. [2018-01-24 23:47:56,531 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 319 transitions. Word has length 32 [2018-01-24 23:47:56,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 23:47:56,531 INFO L432 AbstractCegarLoop]: Abstraction has 277 states and 319 transitions. [2018-01-24 23:47:56,531 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 23:47:56,532 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 319 transitions. [2018-01-24 23:47:56,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-01-24 23:47:56,534 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 23:47:56,535 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 23:47:56,535 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 23:47:56,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1042211778, now seen corresponding path program 1 times [2018-01-24 23:47:56,535 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 23:47:56,536 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:56,536 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 23:47:56,536 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 23:47:56,536 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 23:47:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 23:47:56,559 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 23:47:56,647 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 23:47:56,647 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 23:47:56,647 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 23:47:56,648 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 40 with the following transitions: [2018-01-24 23:47:56,649 INFO L201 CegarAbsIntRunner]: [0], [9], [18], [19], [20], [21], [22], [25], [29], [34], [35], [38], [39], [40], [42], [44], [146], [147], [150], [154], [253], [254], [258], [259], [260], [261], [264], [267], [268], [273], [297], [301], [302], [303], [305] [2018-01-24 23:47:56,704 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-24 23:47:56,704 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