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_mostprecise.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/complex_data_creation_test02_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 20:21:38,314 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 20:21:38,315 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 20:21:38,330 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 20:21:38,330 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 20:21:38,331 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 20:21:38,332 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 20:21:38,334 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 20:21:38,336 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 20:21:38,336 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 20:21:38,337 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 20:21:38,337 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 20:21:38,338 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 20:21:38,339 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 20:21:38,339 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 20:21:38,342 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 20:21:38,344 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 20:21:38,346 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 20:21:38,347 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 20:21:38,348 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 20:21:38,351 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 20:21:38,351 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 20:21:38,351 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 20:21:38,352 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 20:21:38,353 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 20:21:38,354 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 20:21:38,354 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 20:21:38,355 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 20:21:38,355 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 20:21:38,355 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 20:21:38,356 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 20:21:38,356 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_mostprecise.epf [2018-01-24 20:21:38,366 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 20:21:38,366 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 20:21:38,367 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 20:21:38,367 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 20:21:38,368 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 20:21:38,368 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-24 20:21:38,368 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 20:21:38,368 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-24 20:21:38,368 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 20:21:38,369 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 20:21:38,369 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 20:21:38,369 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 20:21:38,370 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 20:21:38,370 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 20:21:38,370 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 20:21:38,370 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 20:21:38,370 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 20:21:38,370 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 20:21:38,371 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 20:21:38,371 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 20:21:38,371 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 20:21:38,371 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 20:21:38,371 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 20:21:38,372 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 20:21:38,372 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 20:21:38,372 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 20:21:38,372 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 20:21:38,372 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 20:21:38,373 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 20:21:38,373 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 20:21:38,373 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-24 20:21:38,373 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 20:21:38,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 20:21:38,373 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 20:21:38,374 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-24 20:21:38,374 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 20:21:38,375 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 20:21:38,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 20:21:38,420 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 20:21:38,425 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 20:21:38,426 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 20:21:38,427 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 20:21:38,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/complex_data_creation_test02_false-valid-memtrack.i [2018-01-24 20:21:38,589 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 20:21:38,595 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 20:21:38,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 20:21:38,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 20:21:38,602 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 20:21:38,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 08:21:38" (1/1) ... [2018-01-24 20:21:38,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ce22e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:38, skipping insertion in model container [2018-01-24 20:21:38,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 08:21:38" (1/1) ... [2018-01-24 20:21:38,625 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 20:21:38,666 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 20:21:38,790 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 20:21:38,820 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 20:21:38,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:38 WrapperNode [2018-01-24 20:21:38,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 20:21:38,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 20:21:38,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 20:21:38,834 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 20:21:38,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:38" (1/1) ... [2018-01-24 20:21:38,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:38" (1/1) ... [2018-01-24 20:21:38,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:38" (1/1) ... [2018-01-24 20:21:38,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:38" (1/1) ... [2018-01-24 20:21:38,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:38" (1/1) ... [2018-01-24 20:21:38,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:38" (1/1) ... [2018-01-24 20:21:38,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:38" (1/1) ... [2018-01-24 20:21:38,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 20:21:38,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 20:21:38,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 20:21:38,874 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 20:21:38,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:38" (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 20:21:38,927 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 20:21:38,928 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 20:21:38,928 INFO L136 BoogieDeclarations]: Found implementation of procedure create_data [2018-01-24 20:21:38,928 INFO L136 BoogieDeclarations]: Found implementation of procedure freeData [2018-01-24 20:21:38,928 INFO L136 BoogieDeclarations]: Found implementation of procedure append [2018-01-24 20:21:38,928 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 20:21:38,928 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 20:21:38,928 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 20:21:38,928 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 20:21:38,928 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 20:21:38,929 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 20:21:38,929 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 20:21:38,929 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 20:21:38,929 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 20:21:38,929 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 20:21:38,929 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 20:21:38,929 INFO L128 BoogieDeclarations]: Found specification of procedure create_data [2018-01-24 20:21:38,929 INFO L128 BoogieDeclarations]: Found specification of procedure freeData [2018-01-24 20:21:38,929 INFO L128 BoogieDeclarations]: Found specification of procedure append [2018-01-24 20:21:38,929 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 20:21:38,930 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 20:21:38,930 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 20:21:39,566 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 20:21:39,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 08:21:39 BoogieIcfgContainer [2018-01-24 20:21:39,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 20:21:39,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-24 20:21:39,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-24 20:21:39,572 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-24 20:21:39,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 08:21:38" (1/3) ... [2018-01-24 20:21:39,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28308fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 08:21:39, skipping insertion in model container [2018-01-24 20:21:39,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:38" (2/3) ... [2018-01-24 20:21:39,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28308fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 08:21:39, skipping insertion in model container [2018-01-24 20:21:39,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 08:21:39" (3/3) ... [2018-01-24 20:21:39,577 INFO L105 eAbstractionObserver]: Analyzing ICFG complex_data_creation_test02_false-valid-memtrack.i [2018-01-24 20:21:39,584 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-24 20:21:39,590 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 91 error locations. [2018-01-24 20:21:39,646 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-24 20:21:39,647 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-24 20:21:39,647 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-24 20:21:39,647 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-24 20:21:39,647 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-24 20:21:39,647 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-24 20:21:39,648 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-24 20:21:39,648 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-24 20:21:39,649 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-24 20:21:39,674 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-24 20:21:39,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-24 20:21:39,681 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:39,682 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:21:39,682 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 20:21:39,687 INFO L82 PathProgramCache]: Analyzing trace with hash 573466511, now seen corresponding path program 1 times [2018-01-24 20:21:39,690 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:39,741 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:39,741 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:39,742 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:39,742 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:39,781 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:39,844 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 20:21:39,845 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:39,846 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-24 20:21:39,846 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:39,848 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-24 20:21:39,934 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-24 20:21:39,934 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-24 20:21:39,936 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-01-24 20:21:40,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:40,286 INFO L93 Difference]: Finished difference Result 416 states and 457 transitions. [2018-01-24 20:21:40,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-24 20:21:40,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-01-24 20:21:40,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:40,303 INFO L225 Difference]: With dead ends: 416 [2018-01-24 20:21:40,303 INFO L226 Difference]: Without dead ends: 207 [2018-01-24 20:21:40,309 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 20:21:40,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-01-24 20:21:40,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-01-24 20:21:40,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-01-24 20:21:40,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 219 transitions. [2018-01-24 20:21:40,363 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 219 transitions. Word has length 7 [2018-01-24 20:21:40,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:40,363 INFO L432 AbstractCegarLoop]: Abstraction has 207 states and 219 transitions. [2018-01-24 20:21:40,363 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-24 20:21:40,364 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 219 transitions. [2018-01-24 20:21:40,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-24 20:21:40,364 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:40,364 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:21:40,365 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 20:21:40,365 INFO L82 PathProgramCache]: Analyzing trace with hash 573466512, now seen corresponding path program 1 times [2018-01-24 20:21:40,365 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:40,366 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:40,366 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:40,366 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:40,366 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:40,386 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:40,448 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 20:21:40,449 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:40,449 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-24 20:21:40,449 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:40,451 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-24 20:21:40,451 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-24 20:21:40,451 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-24 20:21:40,451 INFO L87 Difference]: Start difference. First operand 207 states and 219 transitions. Second operand 3 states. [2018-01-24 20:21:40,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:40,614 INFO L93 Difference]: Finished difference Result 209 states and 222 transitions. [2018-01-24 20:21:40,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-24 20:21:40,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-01-24 20:21:40,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:40,618 INFO L225 Difference]: With dead ends: 209 [2018-01-24 20:21:40,618 INFO L226 Difference]: Without dead ends: 208 [2018-01-24 20:21:40,619 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 20:21:40,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-01-24 20:21:40,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 206. [2018-01-24 20:21:40,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-01-24 20:21:40,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 218 transitions. [2018-01-24 20:21:40,634 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 218 transitions. Word has length 7 [2018-01-24 20:21:40,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:40,635 INFO L432 AbstractCegarLoop]: Abstraction has 206 states and 218 transitions. [2018-01-24 20:21:40,635 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-24 20:21:40,635 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 218 transitions. [2018-01-24 20:21:40,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-24 20:21:40,636 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:40,636 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:21:40,636 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 20:21:40,636 INFO L82 PathProgramCache]: Analyzing trace with hash -975144455, now seen corresponding path program 1 times [2018-01-24 20:21:40,636 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:40,637 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:40,638 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:40,638 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:40,638 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:40,659 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:40,721 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 20:21:40,722 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:40,722 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 20:21:40,722 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:40,722 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 20:21:40,723 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 20:21:40,723 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 20:21:40,723 INFO L87 Difference]: Start difference. First operand 206 states and 218 transitions. Second operand 5 states. [2018-01-24 20:21:40,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:40,966 INFO L93 Difference]: Finished difference Result 206 states and 218 transitions. [2018-01-24 20:21:40,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 20:21:40,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-01-24 20:21:40,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:40,968 INFO L225 Difference]: With dead ends: 206 [2018-01-24 20:21:40,968 INFO L226 Difference]: Without dead ends: 204 [2018-01-24 20:21:40,969 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 20:21:40,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-01-24 20:21:40,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2018-01-24 20:21:40,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-01-24 20:21:40,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 216 transitions. [2018-01-24 20:21:40,983 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 216 transitions. Word has length 14 [2018-01-24 20:21:40,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:40,983 INFO L432 AbstractCegarLoop]: Abstraction has 204 states and 216 transitions. [2018-01-24 20:21:40,983 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 20:21:40,983 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 216 transitions. [2018-01-24 20:21:40,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-24 20:21:40,984 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:40,984 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:21:40,984 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 20:21:40,985 INFO L82 PathProgramCache]: Analyzing trace with hash -975144454, now seen corresponding path program 1 times [2018-01-24 20:21:40,985 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:40,985 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:40,986 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:40,986 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:40,986 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:40,998 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:41,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 20:21:41,113 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:41,113 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-24 20:21:41,113 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:41,113 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-24 20:21:41,114 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-24 20:21:41,114 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-24 20:21:41,114 INFO L87 Difference]: Start difference. First operand 204 states and 216 transitions. Second operand 7 states. [2018-01-24 20:21:41,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:41,492 INFO L93 Difference]: Finished difference Result 226 states and 242 transitions. [2018-01-24 20:21:41,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 20:21:41,493 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-01-24 20:21:41,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:41,495 INFO L225 Difference]: With dead ends: 226 [2018-01-24 20:21:41,495 INFO L226 Difference]: Without dead ends: 224 [2018-01-24 20:21:41,496 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 20:21:41,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-01-24 20:21:41,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 213. [2018-01-24 20:21:41,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-01-24 20:21:41,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 228 transitions. [2018-01-24 20:21:41,512 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 228 transitions. Word has length 14 [2018-01-24 20:21:41,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:41,512 INFO L432 AbstractCegarLoop]: Abstraction has 213 states and 228 transitions. [2018-01-24 20:21:41,512 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-24 20:21:41,512 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 228 transitions. [2018-01-24 20:21:41,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-24 20:21:41,513 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:41,513 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:21:41,513 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 20:21:41,514 INFO L82 PathProgramCache]: Analyzing trace with hash -164706800, now seen corresponding path program 1 times [2018-01-24 20:21:41,514 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:41,515 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:41,515 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:41,515 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:41,515 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:41,529 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:41,575 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 20:21:41,576 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:41,576 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 20:21:41,576 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:41,576 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 20:21:41,576 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 20:21:41,576 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 20:21:41,577 INFO L87 Difference]: Start difference. First operand 213 states and 228 transitions. Second operand 4 states. [2018-01-24 20:21:41,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:41,760 INFO L93 Difference]: Finished difference Result 213 states and 228 transitions. [2018-01-24 20:21:41,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 20:21:41,760 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-24 20:21:41,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:41,762 INFO L225 Difference]: With dead ends: 213 [2018-01-24 20:21:41,762 INFO L226 Difference]: Without dead ends: 211 [2018-01-24 20:21:41,762 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 20:21:41,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-01-24 20:21:41,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-01-24 20:21:41,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-01-24 20:21:41,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 225 transitions. [2018-01-24 20:21:41,772 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 225 transitions. Word has length 15 [2018-01-24 20:21:41,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:41,772 INFO L432 AbstractCegarLoop]: Abstraction has 211 states and 225 transitions. [2018-01-24 20:21:41,772 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 20:21:41,773 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 225 transitions. [2018-01-24 20:21:41,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-24 20:21:41,773 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:41,773 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:21:41,773 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 20:21:41,773 INFO L82 PathProgramCache]: Analyzing trace with hash -164706799, now seen corresponding path program 1 times [2018-01-24 20:21:41,773 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:41,774 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:41,774 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:41,774 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:41,774 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:41,785 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:41,822 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 20:21:41,822 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:41,822 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 20:21:41,822 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:41,822 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 20:21:41,822 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 20:21:41,822 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 20:21:41,823 INFO L87 Difference]: Start difference. First operand 211 states and 225 transitions. Second operand 4 states. [2018-01-24 20:21:41,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:41,950 INFO L93 Difference]: Finished difference Result 211 states and 225 transitions. [2018-01-24 20:21:41,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 20:21:41,951 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-24 20:21:41,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:41,952 INFO L225 Difference]: With dead ends: 211 [2018-01-24 20:21:41,952 INFO L226 Difference]: Without dead ends: 209 [2018-01-24 20:21:41,952 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 20:21:41,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-01-24 20:21:41,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-01-24 20:21:41,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-01-24 20:21:41,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 222 transitions. [2018-01-24 20:21:41,960 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 222 transitions. Word has length 15 [2018-01-24 20:21:41,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:41,960 INFO L432 AbstractCegarLoop]: Abstraction has 209 states and 222 transitions. [2018-01-24 20:21:41,960 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 20:21:41,960 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 222 transitions. [2018-01-24 20:21:41,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-24 20:21:41,960 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:41,961 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 20:21:41,961 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 20:21:41,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1093160757, now seen corresponding path program 1 times [2018-01-24 20:21:41,961 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:41,962 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:41,962 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:41,962 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:41,962 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:41,974 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:42,242 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 20:21:42,242 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:42,242 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-01-24 20:21:42,242 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:42,243 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-01-24 20:21:42,243 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-01-24 20:21:42,243 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-01-24 20:21:42,244 INFO L87 Difference]: Start difference. First operand 209 states and 222 transitions. Second operand 13 states. [2018-01-24 20:21:43,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:43,347 INFO L93 Difference]: Finished difference Result 403 states and 431 transitions. [2018-01-24 20:21:43,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-24 20:21:43,347 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 20 [2018-01-24 20:21:43,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:43,349 INFO L225 Difference]: With dead ends: 403 [2018-01-24 20:21:43,349 INFO L226 Difference]: Without dead ends: 211 [2018-01-24 20:21:43,350 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 20:21:43,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-01-24 20:21:43,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 210. [2018-01-24 20:21:43,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-01-24 20:21:43,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 223 transitions. [2018-01-24 20:21:43,365 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 223 transitions. Word has length 20 [2018-01-24 20:21:43,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:43,365 INFO L432 AbstractCegarLoop]: Abstraction has 210 states and 223 transitions. [2018-01-24 20:21:43,365 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-01-24 20:21:43,366 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 223 transitions. [2018-01-24 20:21:43,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-24 20:21:43,366 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:43,366 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 20:21:43,366 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 20:21:43,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1733477554, now seen corresponding path program 1 times [2018-01-24 20:21:43,367 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:43,368 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:43,369 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:43,369 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:43,369 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:43,384 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:43,421 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 20:21:43,422 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:43,422 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 20:21:43,422 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:43,422 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 20:21:43,422 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 20:21:43,422 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 20:21:43,423 INFO L87 Difference]: Start difference. First operand 210 states and 223 transitions. Second operand 4 states. [2018-01-24 20:21:43,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:43,466 INFO L93 Difference]: Finished difference Result 490 states and 526 transitions. [2018-01-24 20:21:43,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 20:21:43,467 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-01-24 20:21:43,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:43,468 INFO L225 Difference]: With dead ends: 490 [2018-01-24 20:21:43,469 INFO L226 Difference]: Without dead ends: 298 [2018-01-24 20:21:43,470 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 20:21:43,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-01-24 20:21:43,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 262. [2018-01-24 20:21:43,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-01-24 20:21:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 315 transitions. [2018-01-24 20:21:43,481 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 315 transitions. Word has length 22 [2018-01-24 20:21:43,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:43,482 INFO L432 AbstractCegarLoop]: Abstraction has 262 states and 315 transitions. [2018-01-24 20:21:43,482 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 20:21:43,482 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 315 transitions. [2018-01-24 20:21:43,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-24 20:21:43,483 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:43,483 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 20:21:43,483 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 20:21:43,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1293570492, now seen corresponding path program 1 times [2018-01-24 20:21:43,483 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:43,484 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:43,484 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:43,484 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:43,485 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:43,499 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:43,555 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 20:21:43,555 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:43,555 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 20:21:43,555 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:43,555 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 20:21:43,556 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 20:21:43,556 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 20:21:43,556 INFO L87 Difference]: Start difference. First operand 262 states and 315 transitions. Second operand 4 states. [2018-01-24 20:21:43,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:43,781 INFO L93 Difference]: Finished difference Result 288 states and 347 transitions. [2018-01-24 20:21:43,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 20:21:43,781 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-01-24 20:21:43,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:43,783 INFO L225 Difference]: With dead ends: 288 [2018-01-24 20:21:43,783 INFO L226 Difference]: Without dead ends: 275 [2018-01-24 20:21:43,784 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 20:21:43,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-01-24 20:21:43,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 264. [2018-01-24 20:21:43,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2018-01-24 20:21:43,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 313 transitions. [2018-01-24 20:21:43,797 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 313 transitions. Word has length 26 [2018-01-24 20:21:43,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:43,797 INFO L432 AbstractCegarLoop]: Abstraction has 264 states and 313 transitions. [2018-01-24 20:21:43,797 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 20:21:43,797 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 313 transitions. [2018-01-24 20:21:43,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-24 20:21:43,798 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:43,798 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 20:21:43,799 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 20:21:43,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1293570493, now seen corresponding path program 1 times [2018-01-24 20:21:43,799 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:43,800 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:43,800 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:43,800 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:43,800 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:43,817 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:43,880 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 20:21:43,880 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:43,880 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 20:21:43,881 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:43,881 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 20:21:43,881 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 20:21:43,881 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-24 20:21:43,882 INFO L87 Difference]: Start difference. First operand 264 states and 313 transitions. Second operand 5 states. [2018-01-24 20:21:44,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:44,219 INFO L93 Difference]: Finished difference Result 300 states and 355 transitions. [2018-01-24 20:21:44,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 20:21:44,223 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-24 20:21:44,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:44,225 INFO L225 Difference]: With dead ends: 300 [2018-01-24 20:21:44,225 INFO L226 Difference]: Without dead ends: 287 [2018-01-24 20:21:44,225 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 20:21:44,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-01-24 20:21:44,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 265. [2018-01-24 20:21:44,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-01-24 20:21:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 307 transitions. [2018-01-24 20:21:44,239 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 307 transitions. Word has length 26 [2018-01-24 20:21:44,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:44,240 INFO L432 AbstractCegarLoop]: Abstraction has 265 states and 307 transitions. [2018-01-24 20:21:44,240 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 20:21:44,240 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 307 transitions. [2018-01-24 20:21:44,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-24 20:21:44,241 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:44,241 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 20:21:44,241 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 20:21:44,242 INFO L82 PathProgramCache]: Analyzing trace with hash 987277154, now seen corresponding path program 1 times [2018-01-24 20:21:44,242 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:44,243 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:44,243 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:44,243 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:44,243 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:44,260 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:44,330 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 20:21:44,330 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:44,330 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 20:21:44,330 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:44,331 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 20:21:44,331 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 20:21:44,331 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 20:21:44,331 INFO L87 Difference]: Start difference. First operand 265 states and 307 transitions. Second operand 5 states. [2018-01-24 20:21:44,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:44,682 INFO L93 Difference]: Finished difference Result 335 states and 391 transitions. [2018-01-24 20:21:44,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 20:21:44,683 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-01-24 20:21:44,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:44,686 INFO L225 Difference]: With dead ends: 335 [2018-01-24 20:21:44,686 INFO L226 Difference]: Without dead ends: 334 [2018-01-24 20:21:44,686 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 20:21:44,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2018-01-24 20:21:44,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 275. [2018-01-24 20:21:44,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-01-24 20:21:44,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 321 transitions. [2018-01-24 20:21:44,701 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 321 transitions. Word has length 32 [2018-01-24 20:21:44,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:44,701 INFO L432 AbstractCegarLoop]: Abstraction has 275 states and 321 transitions. [2018-01-24 20:21:44,701 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 20:21:44,702 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 321 transitions. [2018-01-24 20:21:44,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-24 20:21:44,702 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:44,702 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 20:21:44,702 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 20:21:44,703 INFO L82 PathProgramCache]: Analyzing trace with hash 987277155, now seen corresponding path program 1 times [2018-01-24 20:21:44,703 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:44,703 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:44,703 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:44,703 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:44,703 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:44,720 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:44,842 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 20:21:44,842 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:44,842 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 20:21:44,842 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:44,843 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 20:21:44,843 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 20:21:44,843 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-24 20:21:44,843 INFO L87 Difference]: Start difference. First operand 275 states and 321 transitions. Second operand 6 states. [2018-01-24 20:21:45,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:45,120 INFO L93 Difference]: Finished difference Result 540 states and 635 transitions. [2018-01-24 20:21:45,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-24 20:21:45,122 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-24 20:21:45,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:45,124 INFO L225 Difference]: With dead ends: 540 [2018-01-24 20:21:45,124 INFO L226 Difference]: Without dead ends: 283 [2018-01-24 20:21:45,125 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-01-24 20:21:45,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-01-24 20:21:45,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 275. [2018-01-24 20:21:45,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-01-24 20:21:45,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 317 transitions. [2018-01-24 20:21:45,140 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 317 transitions. Word has length 32 [2018-01-24 20:21:45,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:45,141 INFO L432 AbstractCegarLoop]: Abstraction has 275 states and 317 transitions. [2018-01-24 20:21:45,141 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 20:21:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 317 transitions. [2018-01-24 20:21:45,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-01-24 20:21:45,142 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:45,142 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 20:21:45,142 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 20:21:45,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1656548387, now seen corresponding path program 1 times [2018-01-24 20:21:45,143 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:45,144 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:45,144 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:45,144 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:45,145 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:45,166 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:45,274 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 20:21:45,274 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 20:21:45,274 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 20:21:45,275 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 40 with the following transitions: [2018-01-24 20:21:45,277 INFO L201 CegarAbsIntRunner]: [0], [9], [18], [19], [20], [21], [22], [25], [29], [34], [35], [38], [39], [40], [42], [44], [145], [146], [149], [153], [252], [253], [257], [258], [259], [260], [263], [266], [267], [272], [296], [300], [301], [302], [304] [2018-01-24 20:21:45,336 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-24 20:21:45,336 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