java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 01:29:47,536 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 01:29:47,538 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 01:29:47,549 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 01:29:47,550 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 01:29:47,551 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 01:29:47,552 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 01:29:47,554 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 01:29:47,555 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 01:29:47,556 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 01:29:47,557 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 01:29:47,557 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 01:29:47,559 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 01:29:47,562 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 01:29:47,568 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 01:29:47,568 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 01:29:47,569 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 01:29:47,571 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 01:29:47,573 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 01:29:47,574 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 01:29:47,575 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 01:29:47,576 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 01:29:47,579 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 01:29:47,579 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 01:29:47,579 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 01:29:47,580 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 01:29:47,581 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 01:29:47,582 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 01:29:47,583 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 01:29:47,584 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 01:29:47,584 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 01:29:47,585 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 01:29:47,585 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 01:29:47,585 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 01:29:47,586 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 01:29:47,587 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 01:29:47,587 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-19 01:29:47,603 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 01:29:47,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 01:29:47,604 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 01:29:47,605 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 01:29:47,605 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 01:29:47,605 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 01:29:47,605 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 01:29:47,605 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 01:29:47,606 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 01:29:47,606 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 01:29:47,606 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 01:29:47,606 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 01:29:47,607 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 01:29:47,607 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 01:29:47,607 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 01:29:47,608 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 01:29:47,608 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 01:29:47,608 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 01:29:47,608 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 01:29:47,608 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 01:29:47,609 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 01:29:47,609 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 01:29:47,609 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 01:29:47,609 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 01:29:47,609 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 01:29:47,610 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 01:29:47,610 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 01:29:47,610 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 01:29:47,610 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 01:29:47,610 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 01:29:47,611 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 01:29:47,611 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 01:29:47,611 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 01:29:47,611 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 01:29:47,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 01:29:47,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 01:29:47,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 01:29:47,692 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 01:29:47,692 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 01:29:47,693 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c [2018-09-19 01:29:48,038 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81f4b19fa/8753059e001c4cbe9eae85a2d46ce973/FLAG520e832cc [2018-09-19 01:29:48,349 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 01:29:48,350 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c [2018-09-19 01:29:48,374 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81f4b19fa/8753059e001c4cbe9eae85a2d46ce973/FLAG520e832cc [2018-09-19 01:29:48,408 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81f4b19fa/8753059e001c4cbe9eae85a2d46ce973 [2018-09-19 01:29:48,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 01:29:48,428 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 01:29:48,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 01:29:48,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 01:29:48,437 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 01:29:48,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:29:48" (1/1) ... [2018-09-19 01:29:48,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20fcc92e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:48, skipping insertion in model container [2018-09-19 01:29:48,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:29:48" (1/1) ... [2018-09-19 01:29:48,454 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 01:29:48,949 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 01:29:48,972 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 01:29:49,100 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 01:29:49,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:49 WrapperNode [2018-09-19 01:29:49,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 01:29:49,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 01:29:49,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 01:29:49,140 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 01:29:49,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:49" (1/1) ... [2018-09-19 01:29:49,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:49" (1/1) ... [2018-09-19 01:29:49,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 01:29:49,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 01:29:49,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 01:29:49,217 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 01:29:49,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:49" (1/1) ... [2018-09-19 01:29:49,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:49" (1/1) ... [2018-09-19 01:29:49,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:49" (1/1) ... [2018-09-19 01:29:49,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:49" (1/1) ... [2018-09-19 01:29:49,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:49" (1/1) ... [2018-09-19 01:29:49,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:49" (1/1) ... [2018-09-19 01:29:49,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:49" (1/1) ... [2018-09-19 01:29:49,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 01:29:49,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 01:29:49,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 01:29:49,456 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 01:29:49,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:49" (1/1) ... No working directory specified, using /storage/repos/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 [2018-09-19 01:29:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 01:29:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 01:29:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 01:29:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 01:29:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 01:29:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 01:29:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 01:29:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 01:29:52,848 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 01:29:52,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:29:52 BoogieIcfgContainer [2018-09-19 01:29:52,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 01:29:52,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 01:29:52,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 01:29:52,853 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 01:29:52,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 01:29:48" (1/3) ... [2018-09-19 01:29:52,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b242ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:29:52, skipping insertion in model container [2018-09-19 01:29:52,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:49" (2/3) ... [2018-09-19 01:29:52,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b242ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:29:52, skipping insertion in model container [2018-09-19 01:29:52,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:29:52" (3/3) ... [2018-09-19 01:29:52,857 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label01_true-unreach-call_false-termination.c [2018-09-19 01:29:52,867 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 01:29:52,876 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 01:29:52,931 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 01:29:52,931 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 01:29:52,931 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 01:29:52,932 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 01:29:52,932 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 01:29:52,932 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 01:29:52,932 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 01:29:52,932 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 01:29:52,933 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 01:29:52,959 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-09-19 01:29:52,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-19 01:29:52,971 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:29:52,973 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2018-09-19 01:29:52,974 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:29:52,979 INFO L82 PathProgramCache]: Analyzing trace with hash 850595888, now seen corresponding path program 1 times [2018-09-19 01:29:52,981 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:29:52,982 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 99 with the following transitions: [2018-09-19 01:29:52,985 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [761], [765], [771], [775], [782], [783], [784], [786] [2018-09-19 01:29:53,056 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:29:53,056 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:30:12,484 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:30:12,486 INFO L272 AbstractInterpreter]: Visited 67 different actions 67 times. Never merged. Never widened. Never found a fixpoint. Largest state had 41 variables. [2018-09-19 01:30:12,543 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:30:15,416 INFO L232 lantSequenceWeakener]: Weakened 66 states. On average, predicates are now at 79.62% of their original sizes. [2018-09-19 01:30:15,417 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:30:16,642 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:30:16,647 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:30:16,647 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 01:30:16,647 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:30:16,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 01:30:16,659 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 01:30:16,659 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-09-19 01:30:16,662 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 12 states. [2018-09-19 01:30:23,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:30:23,213 INFO L93 Difference]: Finished difference Result 475 states and 794 transitions. [2018-09-19 01:30:23,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-19 01:30:23,215 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 98 [2018-09-19 01:30:23,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:30:23,234 INFO L225 Difference]: With dead ends: 475 [2018-09-19 01:30:23,235 INFO L226 Difference]: Without dead ends: 265 [2018-09-19 01:30:23,243 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 103 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-09-19 01:30:23,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-09-19 01:30:23,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-09-19 01:30:23,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-09-19 01:30:23,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 397 transitions. [2018-09-19 01:30:23,312 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 397 transitions. Word has length 98 [2018-09-19 01:30:23,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:30:23,313 INFO L480 AbstractCegarLoop]: Abstraction has 265 states and 397 transitions. [2018-09-19 01:30:23,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 01:30:23,313 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 397 transitions. [2018-09-19 01:30:23,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-19 01:30:23,319 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:30:23,320 INFO L376 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2018-09-19 01:30:23,320 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:30:23,320 INFO L82 PathProgramCache]: Analyzing trace with hash 708243539, now seen corresponding path program 1 times [2018-09-19 01:30:23,321 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:30:23,321 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 108 with the following transitions: [2018-09-19 01:30:23,321 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:30:23,328 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:30:23,329 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:31:07,842 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:31:07,842 INFO L272 AbstractInterpreter]: Visited 101 different actions 166 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-09-19 01:31:07,882 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:31:10,792 INFO L232 lantSequenceWeakener]: Weakened 105 states. On average, predicates are now at 80.28% of their original sizes. [2018-09-19 01:31:10,793 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:31:12,110 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:31:12,110 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:31:12,111 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 01:31:12,111 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:31:12,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 01:31:12,113 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 01:31:12,113 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 01:31:12,113 INFO L87 Difference]: Start difference. First operand 265 states and 397 transitions. Second operand 14 states. [2018-09-19 01:31:20,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:31:20,191 INFO L93 Difference]: Finished difference Result 608 states and 996 transitions. [2018-09-19 01:31:20,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 01:31:20,194 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 107 [2018-09-19 01:31:20,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:31:20,200 INFO L225 Difference]: With dead ends: 608 [2018-09-19 01:31:20,200 INFO L226 Difference]: Without dead ends: 410 [2018-09-19 01:31:20,204 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 121 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2018-09-19 01:31:20,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-09-19 01:31:20,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 403. [2018-09-19 01:31:20,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-09-19 01:31:20,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 549 transitions. [2018-09-19 01:31:20,242 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 549 transitions. Word has length 107 [2018-09-19 01:31:20,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:31:20,243 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 549 transitions. [2018-09-19 01:31:20,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 01:31:20,243 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 549 transitions. [2018-09-19 01:31:20,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-19 01:31:20,248 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:31:20,249 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2018-09-19 01:31:20,249 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:31:20,249 INFO L82 PathProgramCache]: Analyzing trace with hash 95117219, now seen corresponding path program 1 times [2018-09-19 01:31:20,249 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:31:20,250 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 111 with the following transitions: [2018-09-19 01:31:20,250 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:31:20,255 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:31:20,256 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:32:04,115 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:32:04,116 INFO L272 AbstractInterpreter]: Visited 101 different actions 165 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-09-19 01:32:04,121 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:32:06,851 INFO L232 lantSequenceWeakener]: Weakened 108 states. On average, predicates are now at 80.27% of their original sizes. [2018-09-19 01:32:06,852 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:32:08,218 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:32:08,219 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:32:08,219 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 01:32:08,219 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:32:08,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 01:32:08,220 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 01:32:08,220 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-19 01:32:08,221 INFO L87 Difference]: Start difference. First operand 403 states and 549 transitions. Second operand 12 states. [2018-09-19 01:32:16,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:32:16,461 INFO L93 Difference]: Finished difference Result 788 states and 1227 transitions. [2018-09-19 01:32:16,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-19 01:32:16,465 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 110 [2018-09-19 01:32:16,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:32:16,471 INFO L225 Difference]: With dead ends: 788 [2018-09-19 01:32:16,471 INFO L226 Difference]: Without dead ends: 590 [2018-09-19 01:32:16,473 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 121 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2018-09-19 01:32:16,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2018-09-19 01:32:16,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 585. [2018-09-19 01:32:16,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2018-09-19 01:32:16,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 745 transitions. [2018-09-19 01:32:16,519 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 745 transitions. Word has length 110 [2018-09-19 01:32:16,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:32:16,520 INFO L480 AbstractCegarLoop]: Abstraction has 585 states and 745 transitions. [2018-09-19 01:32:16,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 01:32:16,520 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 745 transitions. [2018-09-19 01:32:16,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-09-19 01:32:16,524 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:32:16,524 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2018-09-19 01:32:16,524 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:32:16,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1792716224, now seen corresponding path program 1 times [2018-09-19 01:32:16,525 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:32:16,525 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 120 with the following transitions: [2018-09-19 01:32:16,526 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:32:16,531 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:32:16,531 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:33:25,551 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:33:25,551 INFO L272 AbstractInterpreter]: Visited 102 different actions 271 times. Merged at 7 different actions 17 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 42 variables. [2018-09-19 01:33:25,560 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:33:28,101 INFO L232 lantSequenceWeakener]: Weakened 117 states. On average, predicates are now at 80.3% of their original sizes. [2018-09-19 01:33:28,101 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:33:28,578 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:33:28,579 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:33:28,579 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 01:33:28,580 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:33:28,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 01:33:28,581 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 01:33:28,581 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 01:33:28,581 INFO L87 Difference]: Start difference. First operand 585 states and 745 transitions. Second operand 10 states. [2018-09-19 01:33:35,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:33:35,405 INFO L93 Difference]: Finished difference Result 1157 states and 1589 transitions. [2018-09-19 01:33:35,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 01:33:35,405 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 119 [2018-09-19 01:33:35,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:33:35,412 INFO L225 Difference]: With dead ends: 1157 [2018-09-19 01:33:35,412 INFO L226 Difference]: Without dead ends: 777 [2018-09-19 01:33:35,414 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 126 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 01:33:35,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2018-09-19 01:33:35,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 766. [2018-09-19 01:33:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 766 states. [2018-09-19 01:33:35,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 946 transitions. [2018-09-19 01:33:35,460 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 946 transitions. Word has length 119 [2018-09-19 01:33:35,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:33:35,461 INFO L480 AbstractCegarLoop]: Abstraction has 766 states and 946 transitions. [2018-09-19 01:33:35,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 01:33:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 946 transitions. [2018-09-19 01:33:35,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-19 01:33:35,465 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:33:35,466 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:33:35,466 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:33:35,466 INFO L82 PathProgramCache]: Analyzing trace with hash 946152167, now seen corresponding path program 1 times [2018-09-19 01:33:35,466 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:33:35,467 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-09-19 01:33:35,467 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:33:35,473 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:33:35,473 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:34:14,846 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:34:14,846 INFO L272 AbstractInterpreter]: Visited 101 different actions 166 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-09-19 01:34:14,855 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-19 01:34:17,385 INFO L232 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 80.22% of their original sizes. [2018-09-19 01:34:17,386 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:34:17,403 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 01:34:17,409 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 01:34:17,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 01:34:17 BoogieIcfgContainer [2018-09-19 01:34:17,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 01:34:17,410 INFO L168 Benchmark]: Toolchain (without parser) took 268984.11 ms. Allocated memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 161.6 MB. Max. memory is 7.1 GB. [2018-09-19 01:34:17,412 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 01:34:17,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-19 01:34:17,413 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 01:34:17,414 INFO L168 Benchmark]: Boogie Preprocessor took 234.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -848.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2018-09-19 01:34:17,415 INFO L168 Benchmark]: RCFGBuilder took 3397.11 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 107.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 7.1 GB. [2018-09-19 01:34:17,416 INFO L168 Benchmark]: TraceAbstraction took 264559.21 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 658.5 MB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -555.3 MB). Peak memory consumption was 103.2 MB. Max. memory is 7.1 GB. [2018-09-19 01:34:17,421 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 709.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 76.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 234.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -848.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3397.11 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 107.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 264559.21 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 658.5 MB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -555.3 MB). Peak memory consumption was 103.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 449]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 449). Cancelled while BasicCegarLoop was analyzing trace of length 141 with TraceHistMax 2, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 264.4s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 29.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 918 SDtfs, 2052 SDslu, 1261 SDs, 0 SdLazy, 6135 SolverSat, 638 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 471 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=766occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 216.4s AbstIntTime, 5 AbstIntIterations, 5 AbstIntStrong, 0.9934895562237076 AbsIntWeakeningRatio, 0.2548330404217926 AbsIntAvgWeakeningVarsNumRemoved, 2819.0439367311074 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 23 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label01_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_01-34-17-436.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label01_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_01-34-17-436.csv Completed graceful shutdown