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_CON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label20_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 17:09:22,425 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 17:09:22,428 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 17:09:22,440 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 17:09:22,441 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 17:09:22,442 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 17:09:22,444 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 17:09:22,449 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 17:09:22,451 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 17:09:22,452 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 17:09:22,453 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 17:09:22,453 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 17:09:22,454 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 17:09:22,456 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 17:09:22,457 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 17:09:22,458 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 17:09:22,459 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 17:09:22,461 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 17:09:22,463 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 17:09:22,464 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 17:09:22,466 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 17:09:22,470 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 17:09:22,474 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 17:09:22,474 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 17:09:22,475 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 17:09:22,478 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 17:09:22,480 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 17:09:22,482 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 17:09:22,483 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 17:09:22,485 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 17:09:22,487 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 17:09:22,488 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 17:09:22,488 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 17:09:22,488 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 17:09:22,491 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 17:09:22,491 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 17:09:22,492 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf [2018-09-15 17:09:22,523 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 17:09:22,524 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 17:09:22,527 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 17:09:22,528 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 17:09:22,528 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 17:09:22,528 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 17:09:22,528 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 17:09:22,529 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 17:09:22,529 INFO L133 SettingsManager]: * Abstract domain=CongruenceDomain [2018-09-15 17:09:22,529 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 17:09:22,529 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 17:09:22,529 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 17:09:22,531 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 17:09:22,532 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 17:09:22,532 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 17:09:22,532 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 17:09:22,532 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 17:09:22,533 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 17:09:22,533 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 17:09:22,533 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 17:09:22,533 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 17:09:22,533 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 17:09:22,534 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 17:09:22,534 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 17:09:22,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 17:09:22,534 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 17:09:22,534 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 17:09:22,534 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 17:09:22,535 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 17:09:22,535 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 17:09:22,535 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 17:09:22,535 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 17:09:22,535 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 17:09:22,536 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 17:09:22,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 17:09:22,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 17:09:22,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 17:09:22,602 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 17:09:22,602 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 17:09:22,603 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label20_true-unreach-call.c [2018-09-15 17:09:22,986 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9341cf80d/af6080b3b1264074a5a5e4de512a6da4/FLAG65cd91a6e [2018-09-15 17:09:23,608 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 17:09:23,608 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label20_true-unreach-call.c [2018-09-15 17:09:23,661 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9341cf80d/af6080b3b1264074a5a5e4de512a6da4/FLAG65cd91a6e [2018-09-15 17:09:23,680 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9341cf80d/af6080b3b1264074a5a5e4de512a6da4 [2018-09-15 17:09:23,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 17:09:23,696 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 17:09:23,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 17:09:23,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 17:09:23,706 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 17:09:23,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 05:09:23" (1/1) ... [2018-09-15 17:09:23,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56ecc5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:23, skipping insertion in model container [2018-09-15 17:09:23,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 05:09:23" (1/1) ... [2018-09-15 17:09:23,724 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 17:09:25,759 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 17:09:25,782 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 17:09:26,936 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 17:09:27,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:27 WrapperNode [2018-09-15 17:09:27,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 17:09:27,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 17:09:27,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 17:09:27,541 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 17:09:27,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:27" (1/1) ... [2018-09-15 17:09:27,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:27" (1/1) ... [2018-09-15 17:09:27,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 17:09:27,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 17:09:27,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 17:09:27,937 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 17:09:29,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:27" (1/1) ... [2018-09-15 17:09:29,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:27" (1/1) ... [2018-09-15 17:09:29,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:27" (1/1) ... [2018-09-15 17:09:29,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:27" (1/1) ... [2018-09-15 17:09:29,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:27" (1/1) ... [2018-09-15 17:09:29,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:27" (1/1) ... [2018-09-15 17:09:29,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:27" (1/1) ... [2018-09-15 17:09:29,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 17:09:29,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 17:09:29,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 17:09:29,714 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 17:09:29,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:27" (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 [2018-09-15 17:09:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 17:09:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 17:09:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-15 17:09:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-15 17:09:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-15 17:09:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-15 17:09:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-15 17:09:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-15 17:09:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-15 17:09:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-15 17:09:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 17:09:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 17:09:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 17:09:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 17:09:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 17:09:29,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 17:09:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 17:09:29,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 17:09:47,697 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 17:09:47,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 05:09:47 BoogieIcfgContainer [2018-09-15 17:09:47,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 17:09:47,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 17:09:47,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 17:09:47,703 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 17:09:47,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 05:09:23" (1/3) ... [2018-09-15 17:09:47,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52aebef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 05:09:47, skipping insertion in model container [2018-09-15 17:09:47,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:27" (2/3) ... [2018-09-15 17:09:47,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52aebef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 05:09:47, skipping insertion in model container [2018-09-15 17:09:47,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 05:09:47" (3/3) ... [2018-09-15 17:09:47,706 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label20_true-unreach-call.c [2018-09-15 17:09:47,715 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 17:09:47,724 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 17:09:47,797 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 17:09:47,798 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 17:09:47,798 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 17:09:47,798 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 17:09:47,798 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 17:09:47,798 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 17:09:47,799 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 17:09:47,799 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 17:09:47,799 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 17:09:47,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-15 17:09:47,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-15 17:09:47,874 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 17:09:47,875 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] [2018-09-15 17:09:47,876 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 17:09:47,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1661872980, now seen corresponding path program 1 times [2018-09-15 17:09:47,885 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 17:09:47,886 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 51 with the following transitions: [2018-09-15 17:09:47,889 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5526], [5528], [6806], [6810], [6816], [6820], [6837], [6838], [6839], [6841] [2018-09-15 17:09:47,924 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 17:09:47,924 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 17:09:48,124 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 17:09:48,126 INFO L272 AbstractInterpreter]: Visited 49 different actions 49 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-15 17:09:48,152 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 17:09:48,292 INFO L232 lantSequenceWeakener]: Weakened 47 states. On average, predicates are now at 77.3% of their original sizes. [2018-09-15 17:09:48,293 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 17:09:48,458 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 17:09:48,460 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 17:09:48,460 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-15 17:09:48,460 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 17:09:48,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-15 17:09:48,475 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-15 17:09:48,476 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-15 17:09:48,479 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 5 states. [2018-09-15 17:10:14,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 17:10:14,735 INFO L93 Difference]: Finished difference Result 4946 states and 9354 transitions. [2018-09-15 17:10:14,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-15 17:10:14,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2018-09-15 17:10:14,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 17:10:14,780 INFO L225 Difference]: With dead ends: 4946 [2018-09-15 17:10:14,780 INFO L226 Difference]: Without dead ends: 3166 [2018-09-15 17:10:14,793 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-15 17:10:14,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-09-15 17:10:14,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3164. [2018-09-15 17:10:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3164 states. [2018-09-15 17:10:14,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 4690 transitions. [2018-09-15 17:10:15,001 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 4690 transitions. Word has length 50 [2018-09-15 17:10:15,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 17:10:15,002 INFO L480 AbstractCegarLoop]: Abstraction has 3164 states and 4690 transitions. [2018-09-15 17:10:15,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-15 17:10:15,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 4690 transitions. [2018-09-15 17:10:15,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-09-15 17:10:15,013 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 17:10:15,014 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 17:10:15,014 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 17:10:15,015 INFO L82 PathProgramCache]: Analyzing trace with hash -15570317, now seen corresponding path program 1 times [2018-09-15 17:10:15,015 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 17:10:15,015 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 291 with the following transitions: [2018-09-15 17:10:15,017 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5526], [5528], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6560], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-09-15 17:10:15,027 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 17:10:15,027 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 17:10:17,623 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 17:10:17,624 INFO L272 AbstractInterpreter]: Visited 247 different actions 487 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 17:10:17,664 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 17:10:18,586 INFO L232 lantSequenceWeakener]: Weakened 287 states. On average, predicates are now at 75.43% of their original sizes. [2018-09-15 17:10:18,587 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 17:10:19,231 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 17:10:19,231 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 17:10:19,231 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-15 17:10:19,231 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 17:10:19,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-15 17:10:19,233 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-15 17:10:19,234 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-15 17:10:19,234 INFO L87 Difference]: Start difference. First operand 3164 states and 4690 transitions. Second operand 9 states. [2018-09-15 17:10:56,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 17:10:56,027 INFO L93 Difference]: Finished difference Result 7718 states and 13499 transitions. [2018-09-15 17:10:56,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-15 17:10:56,029 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 290 [2018-09-15 17:10:56,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 17:10:56,062 INFO L225 Difference]: With dead ends: 7718 [2018-09-15 17:10:56,062 INFO L226 Difference]: Without dead ends: 5950 [2018-09-15 17:10:56,070 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 295 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-09-15 17:10:56,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5950 states. [2018-09-15 17:10:56,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5950 to 5945. [2018-09-15 17:10:56,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5945 states. [2018-09-15 17:10:56,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5945 states to 5945 states and 7497 transitions. [2018-09-15 17:10:56,213 INFO L78 Accepts]: Start accepts. Automaton has 5945 states and 7497 transitions. Word has length 290 [2018-09-15 17:10:56,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 17:10:56,215 INFO L480 AbstractCegarLoop]: Abstraction has 5945 states and 7497 transitions. [2018-09-15 17:10:56,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-15 17:10:56,215 INFO L276 IsEmpty]: Start isEmpty. Operand 5945 states and 7497 transitions. [2018-09-15 17:10:56,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2018-09-15 17:10:56,237 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 17:10:56,239 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 17:10:56,239 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 17:10:56,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1072814385, now seen corresponding path program 1 times [2018-09-15 17:10:56,240 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 17:10:56,240 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 547 with the following transitions: [2018-09-15 17:10:56,242 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5094], [5105], [5109], [5120], [5124], [5128], [5132], [5136], [5140], [5143], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5526], [5528], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-09-15 17:10:56,260 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 17:10:56,260 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 17:10:58,196 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 17:10:58,196 INFO L272 AbstractInterpreter]: Visited 503 different actions 1000 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 17:10:58,233 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 17:10:59,358 INFO L232 lantSequenceWeakener]: Weakened 543 states. On average, predicates are now at 75.27% of their original sizes. [2018-09-15 17:10:59,358 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 17:10:59,648 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 17:10:59,648 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 17:10:59,648 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 17:10:59,649 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 17:10:59,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 17:10:59,650 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 17:10:59,650 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-15 17:10:59,651 INFO L87 Difference]: Start difference. First operand 5945 states and 7497 transitions. Second operand 13 states. [2018-09-15 17:11:23,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 17:11:23,688 INFO L93 Difference]: Finished difference Result 9113 states and 13551 transitions. [2018-09-15 17:11:23,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 17:11:23,689 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 546 [2018-09-15 17:11:23,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 17:11:23,721 INFO L225 Difference]: With dead ends: 9113 [2018-09-15 17:11:23,722 INFO L226 Difference]: Without dead ends: 7345 [2018-09-15 17:11:23,729 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 556 GetRequests, 534 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2018-09-15 17:11:23,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7345 states. [2018-09-15 17:11:23,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7345 to 7342. [2018-09-15 17:11:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7342 states. [2018-09-15 17:11:23,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7342 states to 7342 states and 8927 transitions. [2018-09-15 17:11:23,891 INFO L78 Accepts]: Start accepts. Automaton has 7342 states and 8927 transitions. Word has length 546 [2018-09-15 17:11:23,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 17:11:23,893 INFO L480 AbstractCegarLoop]: Abstraction has 7342 states and 8927 transitions. [2018-09-15 17:11:23,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-15 17:11:23,893 INFO L276 IsEmpty]: Start isEmpty. Operand 7342 states and 8927 transitions. [2018-09-15 17:11:23,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2018-09-15 17:11:23,907 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 17:11:23,908 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 17:11:23,908 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 17:11:23,908 INFO L82 PathProgramCache]: Analyzing trace with hash -10864583, now seen corresponding path program 1 times [2018-09-15 17:11:23,909 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 17:11:23,909 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 560 with the following transitions: [2018-09-15 17:11:23,910 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5094], [5105], [5109], [5120], [5124], [5128], [5132], [5136], [5140], [5144], [5148], [5152], [5156], [5167], [5171], [5175], [5179], [5183], [5187], [5191], [5195], [5199], [5202], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5526], [5528], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-09-15 17:11:23,915 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 17:11:23,916 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 17:11:25,441 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 17:11:25,441 INFO L272 AbstractInterpreter]: Visited 516 different actions 1026 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 17:11:25,456 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 17:11:26,448 INFO L232 lantSequenceWeakener]: Weakened 556 states. On average, predicates are now at 75.23% of their original sizes. [2018-09-15 17:11:26,448 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 17:11:26,593 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 17:11:26,594 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 17:11:26,594 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 17:11:26,594 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 17:11:26,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 17:11:26,595 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 17:11:26,595 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-15 17:11:26,596 INFO L87 Difference]: Start difference. First operand 7342 states and 8927 transitions. Second operand 13 states. [2018-09-15 17:11:49,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 17:11:49,506 INFO L93 Difference]: Finished difference Result 10508 states and 14976 transitions. [2018-09-15 17:11:49,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 17:11:49,515 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 559 [2018-09-15 17:11:49,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 17:11:49,557 INFO L225 Difference]: With dead ends: 10508 [2018-09-15 17:11:49,557 INFO L226 Difference]: Without dead ends: 8740 [2018-09-15 17:11:49,573 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 569 GetRequests, 547 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2018-09-15 17:11:49,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8740 states. [2018-09-15 17:11:49,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8740 to 8737. [2018-09-15 17:11:49,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8737 states. [2018-09-15 17:11:49,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8737 states to 8737 states and 10340 transitions. [2018-09-15 17:11:49,755 INFO L78 Accepts]: Start accepts. Automaton has 8737 states and 10340 transitions. Word has length 559 [2018-09-15 17:11:49,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 17:11:49,757 INFO L480 AbstractCegarLoop]: Abstraction has 8737 states and 10340 transitions. [2018-09-15 17:11:49,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-15 17:11:49,758 INFO L276 IsEmpty]: Start isEmpty. Operand 8737 states and 10340 transitions. [2018-09-15 17:11:49,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2018-09-15 17:11:49,779 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 17:11:49,780 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 17:11:49,780 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 17:11:49,781 INFO L82 PathProgramCache]: Analyzing trace with hash -393212152, now seen corresponding path program 1 times [2018-09-15 17:11:49,781 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 17:11:49,781 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 656 with the following transitions: [2018-09-15 17:11:49,782 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5094], [5105], [5109], [5120], [5124], [5128], [5132], [5136], [5140], [5143], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5526], [5528], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5917], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-09-15 17:11:49,787 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 17:11:49,787 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 17:11:51,576 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 17:11:51,576 INFO L272 AbstractInterpreter]: Visited 504 different actions 1505 times. Merged at 7 different actions 15 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 26 variables. [2018-09-15 17:11:51,619 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 17:11:52,682 INFO L232 lantSequenceWeakener]: Weakened 652 states. On average, predicates are now at 75.25% of their original sizes. [2018-09-15 17:11:52,682 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 17:11:52,890 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 17:11:52,891 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 17:11:52,891 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 17:11:52,891 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 17:11:52,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 17:11:52,892 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 17:11:52,893 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-15 17:11:52,893 INFO L87 Difference]: Start difference. First operand 8737 states and 10340 transitions. Second operand 13 states. [2018-09-15 17:12:33,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 17:12:33,502 INFO L93 Difference]: Finished difference Result 11923 states and 16425 transitions. [2018-09-15 17:12:33,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 17:12:33,506 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 655 [2018-09-15 17:12:33,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 17:12:33,535 INFO L225 Difference]: With dead ends: 11923 [2018-09-15 17:12:33,535 INFO L226 Difference]: Without dead ends: 10155 [2018-09-15 17:12:33,544 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 665 GetRequests, 643 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2018-09-15 17:12:33,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10155 states. [2018-09-15 17:12:33,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10155 to 10147. [2018-09-15 17:12:33,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10147 states. [2018-09-15 17:12:33,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10147 states to 10147 states and 11828 transitions. [2018-09-15 17:12:33,714 INFO L78 Accepts]: Start accepts. Automaton has 10147 states and 11828 transitions. Word has length 655 [2018-09-15 17:12:33,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 17:12:33,715 INFO L480 AbstractCegarLoop]: Abstraction has 10147 states and 11828 transitions. [2018-09-15 17:12:33,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-15 17:12:33,716 INFO L276 IsEmpty]: Start isEmpty. Operand 10147 states and 11828 transitions. [2018-09-15 17:12:33,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 764 [2018-09-15 17:12:33,726 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 17:12:33,727 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 17:12:33,728 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 17:12:33,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1689470401, now seen corresponding path program 1 times [2018-09-15 17:12:33,728 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 17:12:33,729 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 764 with the following transitions: [2018-09-15 17:12:33,729 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5094], [5105], [5109], [5120], [5124], [5128], [5132], [5136], [5140], [5143], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5526], [5528], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6432], [6437], [6439], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-09-15 17:12:33,736 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 17:12:33,736 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 17:12:35,836 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 17:12:35,836 INFO L272 AbstractInterpreter]: Visited 506 different actions 1509 times. Merged at 7 different actions 15 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 26 variables. [2018-09-15 17:12:35,843 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 17:12:37,129 INFO L232 lantSequenceWeakener]: Weakened 760 states. On average, predicates are now at 75.25% of their original sizes. [2018-09-15 17:12:37,129 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 17:12:37,312 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 17:12:37,312 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 17:12:37,313 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-15 17:12:37,313 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 17:12:37,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-15 17:12:37,314 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-15 17:12:37,314 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-09-15 17:12:37,314 INFO L87 Difference]: Start difference. First operand 10147 states and 11828 transitions. Second operand 15 states. Received shutdown request... [2018-09-15 17:13:23,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-09-15 17:13:23,196 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 17:13:23,203 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 17:13:23,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 05:13:23 BoogieIcfgContainer [2018-09-15 17:13:23,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 17:13:23,205 INFO L168 Benchmark]: Toolchain (without parser) took 239512.49 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-15 17:13:23,207 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 17:13:23,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3841.47 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 197.1 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -116.8 MB). Peak memory consumption was 492.1 MB. Max. memory is 7.1 GB. [2018-09-15 17:13:23,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 395.45 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 7.1 GB. [2018-09-15 17:13:23,209 INFO L168 Benchmark]: Boogie Preprocessor took 1776.61 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 855.1 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -880.4 MB). Peak memory consumption was 126.4 MB. Max. memory is 7.1 GB. [2018-09-15 17:13:23,210 INFO L168 Benchmark]: RCFGBuilder took 17985.42 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 251.7 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 160.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-15 17:13:23,211 INFO L168 Benchmark]: TraceAbstraction took 215504.48 ms. Allocated memory was 2.8 GB in the beginning and 3.8 GB in the end (delta: 978.3 MB). Free memory was 2.2 GB in the beginning and 2.5 GB in the end (delta: -317.6 MB). Peak memory consumption was 660.7 MB. Max. memory is 7.1 GB. [2018-09-15 17:13:23,218 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3841.47 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 197.1 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -116.8 MB). Peak memory consumption was 492.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 395.45 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1776.61 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 855.1 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -880.4 MB). Peak memory consumption was 126.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17985.42 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 251.7 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 160.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 215504.48 ms. Allocated memory was 2.8 GB in the beginning and 3.8 GB in the end (delta: 978.3 MB). Free memory was 2.2 GB in the beginning and 2.5 GB in the end (delta: -317.6 MB). Peak memory consumption was 660.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 145). Cancelled while BasicCegarLoop was constructing difference of abstraction (10147states) and FLOYD_HOARE automaton (currently 37 states, 15 states before enhancement), while ReachableStatesComputation was computing reachable states (12537 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 215.4s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 196.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10732 SDtfs, 24823 SDslu, 7610 SDs, 0 SdLazy, 131755 SolverSat, 10061 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 169.6s Time, PredicateUnifierStatistics: 12 DeclaredPredicates, 2919 GetRequests, 2801 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10147occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.4s AbstIntTime, 6 AbstIntIterations, 6 AbstIntStrong, 0.9987525565342833 AbsIntWeakeningRatio, 0.052502625131256565 AbsIntAvgWeakeningVarsNumRemoved, 0.5061253062653133 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 21 StatesRemovedByMinimization, 5 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/Problem19_label20_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_17-13-23-237.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label20_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_17-13-23-237.csv Completed graceful shutdown