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_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label51_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 08:29:16,226 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 08:29:16,229 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 08:29:16,242 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 08:29:16,242 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 08:29:16,244 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 08:29:16,245 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 08:29:16,247 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 08:29:16,248 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 08:29:16,249 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 08:29:16,250 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 08:29:16,251 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 08:29:16,252 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 08:29:16,253 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 08:29:16,254 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 08:29:16,255 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 08:29:16,255 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 08:29:16,257 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 08:29:16,262 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 08:29:16,266 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 08:29:16,271 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 08:29:16,272 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 08:29:16,274 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 08:29:16,274 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 08:29:16,274 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 08:29:16,275 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 08:29:16,276 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 08:29:16,277 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 08:29:16,278 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 08:29:16,279 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 08:29:16,279 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 08:29:16,280 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 08:29:16,282 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-19 08:29:16,299 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 08:29:16,299 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 08:29:16,300 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 08:29:16,301 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 08:29:16,301 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 08:29:16,301 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 08:29:16,301 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 08:29:16,301 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 08:29:16,302 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 08:29:16,302 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 08:29:16,302 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 08:29:16,302 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 08:29:16,302 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 08:29:16,303 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 08:29:16,304 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 08:29:16,304 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 08:29:16,304 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 08:29:16,304 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 08:29:16,304 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 08:29:16,304 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 08:29:16,305 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 08:29:16,305 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 08:29:16,305 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 08:29:16,305 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 08:29:16,305 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 08:29:16,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 08:29:16,306 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 08:29:16,306 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 08:29:16,306 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 08:29:16,306 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 08:29:16,307 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 08:29:16,307 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 08:29:16,307 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 08:29:16,307 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 08:29:16,307 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 08:29:16,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 08:29:16,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 08:29:16,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 08:29:16,391 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 08:29:16,391 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 08:29:16,392 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label51_true-unreach-call_false-termination.c [2018-09-19 08:29:16,792 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c26b82a8/afd232d7de1944f3adfd61d35dafa104/FLAG25ab05645 [2018-09-19 08:29:17,197 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 08:29:17,201 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label51_true-unreach-call_false-termination.c [2018-09-19 08:29:17,226 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c26b82a8/afd232d7de1944f3adfd61d35dafa104/FLAG25ab05645 [2018-09-19 08:29:17,243 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c26b82a8/afd232d7de1944f3adfd61d35dafa104 [2018-09-19 08:29:17,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 08:29:17,259 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 08:29:17,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 08:29:17,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 08:29:17,269 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 08:29:17,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:29:17" (1/1) ... [2018-09-19 08:29:17,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd6d764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:29:17, skipping insertion in model container [2018-09-19 08:29:17,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:29:17" (1/1) ... [2018-09-19 08:29:17,288 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 08:29:17,789 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 08:29:17,825 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 08:29:17,997 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 08:29:18,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:29:18 WrapperNode [2018-09-19 08:29:18,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 08:29:18,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 08:29:18,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 08:29:18,046 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 08:29:18,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:29:18" (1/1) ... [2018-09-19 08:29:18,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:29:18" (1/1) ... [2018-09-19 08:29:18,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 08:29:18,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 08:29:18,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 08:29:18,163 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 08:29:18,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:29:18" (1/1) ... [2018-09-19 08:29:18,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:29:18" (1/1) ... [2018-09-19 08:29:18,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:29:18" (1/1) ... [2018-09-19 08:29:18,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:29:18" (1/1) ... [2018-09-19 08:29:18,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:29:18" (1/1) ... [2018-09-19 08:29:18,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:29:18" (1/1) ... [2018-09-19 08:29:18,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:29:18" (1/1) ... [2018-09-19 08:29:18,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 08:29:18,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 08:29:18,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 08:29:18,485 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 08:29:18,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:29:18" (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 08:29:18,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 08:29:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 08:29:18,576 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 08:29:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 08:29:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 08:29:18,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 08:29:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 08:29:18,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 08:29:22,427 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 08:29:22,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:29:22 BoogieIcfgContainer [2018-09-19 08:29:22,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 08:29:22,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 08:29:22,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 08:29:22,435 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 08:29:22,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 08:29:17" (1/3) ... [2018-09-19 08:29:22,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33be0539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 08:29:22, skipping insertion in model container [2018-09-19 08:29:22,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:29:18" (2/3) ... [2018-09-19 08:29:22,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33be0539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 08:29:22, skipping insertion in model container [2018-09-19 08:29:22,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:29:22" (3/3) ... [2018-09-19 08:29:22,443 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label51_true-unreach-call_false-termination.c [2018-09-19 08:29:22,455 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 08:29:22,467 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 08:29:22,545 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 08:29:22,546 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 08:29:22,548 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 08:29:22,548 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 08:29:22,549 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 08:29:22,549 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 08:29:22,549 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 08:29:22,549 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 08:29:22,549 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 08:29:22,611 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-09-19 08:29:22,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-09-19 08:29:22,634 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:29:22,636 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 08:29:22,640 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:29:22,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1195562327, now seen corresponding path program 1 times [2018-09-19 08:29:22,651 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:29:22,653 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 118 with the following transitions: [2018-09-19 08:29:22,658 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [607], [609], [867], [871], [877], [881], [888], [889], [890], [892] [2018-09-19 08:29:22,795 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:29:22,795 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:29:39,187 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:29:39,189 INFO L272 AbstractInterpreter]: Visited 116 different actions 116 times. Never merged. Never widened. Never found a fixpoint. Largest state had 37 variables. [2018-09-19 08:29:39,219 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:29:42,748 INFO L232 lantSequenceWeakener]: Weakened 115 states. On average, predicates are now at 81.09% of their original sizes. [2018-09-19 08:29:42,748 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:29:43,970 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:29:43,972 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:29:43,973 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 08:29:43,974 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:29:43,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 08:29:43,992 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 08:29:43,993 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-09-19 08:29:43,998 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 10 states. [2018-09-19 08:29:52,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:29:52,616 INFO L93 Difference]: Finished difference Result 622 states and 1061 transitions. [2018-09-19 08:29:52,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-19 08:29:52,618 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 117 [2018-09-19 08:29:52,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:29:52,645 INFO L225 Difference]: With dead ends: 622 [2018-09-19 08:29:52,645 INFO L226 Difference]: Without dead ends: 383 [2018-09-19 08:29:52,657 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-09-19 08:29:52,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-09-19 08:29:52,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 380. [2018-09-19 08:29:52,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-09-19 08:29:52,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 531 transitions. [2018-09-19 08:29:52,753 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 531 transitions. Word has length 117 [2018-09-19 08:29:52,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:29:52,754 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 531 transitions. [2018-09-19 08:29:52,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 08:29:52,755 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 531 transitions. [2018-09-19 08:29:52,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-09-19 08:29:52,763 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:29:52,763 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-19 08:29:52,764 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:29:52,764 INFO L82 PathProgramCache]: Analyzing trace with hash 2073627158, now seen corresponding path program 1 times [2018-09-19 08:29:52,764 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:29:52,765 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 128 with the following transitions: [2018-09-19 08:29:52,765 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [607], [609], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-19 08:29:52,777 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:29:52,778 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:30:24,117 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:30:24,118 INFO L272 AbstractInterpreter]: Visited 120 different actions 234 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-09-19 08:30:24,156 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:30:25,970 INFO L232 lantSequenceWeakener]: Weakened 125 states. On average, predicates are now at 81.09% of their original sizes. [2018-09-19 08:30:25,970 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:30:26,822 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:30:26,822 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:30:26,823 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 08:30:26,823 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:30:26,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 08:30:26,825 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 08:30:26,825 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 08:30:26,826 INFO L87 Difference]: Start difference. First operand 380 states and 531 transitions. Second operand 14 states. [2018-09-19 08:30:36,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:30:36,116 INFO L93 Difference]: Finished difference Result 910 states and 1354 transitions. [2018-09-19 08:30:36,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 08:30:36,119 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 127 [2018-09-19 08:30:36,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:30:36,128 INFO L225 Difference]: With dead ends: 910 [2018-09-19 08:30:36,128 INFO L226 Difference]: Without dead ends: 536 [2018-09-19 08:30:36,134 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 141 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=192, Invalid=620, Unknown=0, NotChecked=0, Total=812 [2018-09-19 08:30:36,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2018-09-19 08:30:36,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 528. [2018-09-19 08:30:36,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2018-09-19 08:30:36,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 701 transitions. [2018-09-19 08:30:36,184 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 701 transitions. Word has length 127 [2018-09-19 08:30:36,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:30:36,184 INFO L480 AbstractCegarLoop]: Abstraction has 528 states and 701 transitions. [2018-09-19 08:30:36,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 08:30:36,185 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 701 transitions. [2018-09-19 08:30:36,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-19 08:30:36,189 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:30:36,189 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-19 08:30:36,190 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:30:36,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1795866142, now seen corresponding path program 1 times [2018-09-19 08:30:36,190 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:30:36,191 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 132 with the following transitions: [2018-09-19 08:30:36,191 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [607], [609], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-19 08:30:36,202 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:30:36,203 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:31:07,994 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:31:07,994 INFO L272 AbstractInterpreter]: Visited 120 different actions 234 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-09-19 08:31:08,003 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:31:10,402 INFO L232 lantSequenceWeakener]: Weakened 129 states. On average, predicates are now at 81.07% of their original sizes. [2018-09-19 08:31:10,403 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:31:11,819 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:31:11,819 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:31:11,820 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 08:31:11,820 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:31:11,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 08:31:11,821 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 08:31:11,821 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 08:31:11,822 INFO L87 Difference]: Start difference. First operand 528 states and 701 transitions. Second operand 14 states. [2018-09-19 08:31:22,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:31:22,261 INFO L93 Difference]: Finished difference Result 1208 states and 1697 transitions. [2018-09-19 08:31:22,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-19 08:31:22,264 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 131 [2018-09-19 08:31:22,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:31:22,270 INFO L225 Difference]: With dead ends: 1208 [2018-09-19 08:31:22,270 INFO L226 Difference]: Without dead ends: 686 [2018-09-19 08:31:22,272 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 144 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=171, Invalid=585, Unknown=0, NotChecked=0, Total=756 [2018-09-19 08:31:22,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2018-09-19 08:31:22,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 676. [2018-09-19 08:31:22,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2018-09-19 08:31:22,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 881 transitions. [2018-09-19 08:31:22,310 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 881 transitions. Word has length 131 [2018-09-19 08:31:22,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:31:22,310 INFO L480 AbstractCegarLoop]: Abstraction has 676 states and 881 transitions. [2018-09-19 08:31:22,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 08:31:22,311 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 881 transitions. [2018-09-19 08:31:22,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-19 08:31:22,314 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:31:22,315 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-09-19 08:31:22,315 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:31:22,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1725669003, now seen corresponding path program 1 times [2018-09-19 08:31:22,315 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:31:22,316 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-09-19 08:31:22,316 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [607], [609], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-19 08:31:22,321 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:31:22,321 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:32:10,910 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:32:10,911 INFO L272 AbstractInterpreter]: Visited 121 different actions 355 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-09-19 08:32:10,917 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:32:12,469 INFO L232 lantSequenceWeakener]: Weakened 134 states. On average, predicates are now at 81.1% of their original sizes. [2018-09-19 08:32:12,470 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:32:13,126 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:32:13,127 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:32:13,127 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 08:32:13,127 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:32:13,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 08:32:13,128 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 08:32:13,129 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 08:32:13,129 INFO L87 Difference]: Start difference. First operand 676 states and 881 transitions. Second operand 14 states. [2018-09-19 08:32:24,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:32:24,988 INFO L93 Difference]: Finished difference Result 1577 states and 2188 transitions. [2018-09-19 08:32:24,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-09-19 08:32:24,988 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 136 [2018-09-19 08:32:24,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:32:24,995 INFO L225 Difference]: With dead ends: 1577 [2018-09-19 08:32:24,996 INFO L226 Difference]: Without dead ends: 907 [2018-09-19 08:32:24,999 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2018-09-19 08:32:25,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2018-09-19 08:32:25,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 886. [2018-09-19 08:32:25,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2018-09-19 08:32:25,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1117 transitions. [2018-09-19 08:32:25,048 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1117 transitions. Word has length 136 [2018-09-19 08:32:25,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:32:25,049 INFO L480 AbstractCegarLoop]: Abstraction has 886 states and 1117 transitions. [2018-09-19 08:32:25,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 08:32:25,049 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1117 transitions. [2018-09-19 08:32:25,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-09-19 08:32:25,053 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:32:25,053 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-09-19 08:32:25,053 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:32:25,054 INFO L82 PathProgramCache]: Analyzing trace with hash -408855470, now seen corresponding path program 1 times [2018-09-19 08:32:25,054 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:32:25,054 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-09-19 08:32:25,055 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [607], [609], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-19 08:32:25,060 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:32:25,060 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:33:30,242 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:33:30,242 INFO L272 AbstractInterpreter]: Visited 122 different actions 488 times. Merged at 8 different actions 33 times. Never widened. Found 8 fixpoints after 2 different actions. Largest state had 38 variables. [2018-09-19 08:33:30,253 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:33:32,095 INFO L232 lantSequenceWeakener]: Weakened 148 states. On average, predicates are now at 81.08% of their original sizes. [2018-09-19 08:33:32,095 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:33:32,814 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:33:32,815 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:33:32,815 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 08:33:32,815 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:33:32,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 08:33:32,815 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 08:33:32,816 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 08:33:32,816 INFO L87 Difference]: Start difference. First operand 886 states and 1117 transitions. Second operand 14 states. Received shutdown request... [2018-09-19 08:33:40,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-09-19 08:33:40,544 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 08:33:40,550 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 08:33:40,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 08:33:40 BoogieIcfgContainer [2018-09-19 08:33:40,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 08:33:40,552 INFO L168 Benchmark]: Toolchain (without parser) took 263295.64 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.5 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -63.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-09-19 08:33:40,554 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. [2018-09-19 08:33:40,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2018-09-19 08:33:40,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.86 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 08:33:40,556 INFO L168 Benchmark]: Boogie Preprocessor took 321.98 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 694.2 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -777.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2018-09-19 08:33:40,557 INFO L168 Benchmark]: RCFGBuilder took 3943.95 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 98.9 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. [2018-09-19 08:33:40,559 INFO L168 Benchmark]: TraceAbstraction took 258120.59 ms. Allocated memory was 2.2 GB in the beginning and 3.0 GB in the end (delta: 854.6 MB). Free memory was 2.0 GB in the beginning and 1.4 GB in the end (delta: 580.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-19 08:33:40,564 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 783.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 116.86 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 321.98 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 694.2 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -777.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3943.95 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 98.9 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258120.59 ms. Allocated memory was 2.2 GB in the beginning and 3.0 GB in the end (delta: 854.6 MB). Free memory was 2.0 GB in the beginning and 1.4 GB in the end (delta: 580.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 502]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 502). Cancelled while BasicCegarLoop was constructing difference of abstraction (886states) and FLOYD_HOARE automaton (currently 25 states, 14 states before enhancement), while ReachableStatesComputation was computing reachable states (1870 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. TIMEOUT Result, 258.0s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 48.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1120 SDtfs, 4978 SDslu, 2318 SDs, 0 SdLazy, 10506 SolverSat, 1098 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.4s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 721 GetRequests, 600 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=886occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 193.5s AbstIntTime, 5 AbstIntIterations, 5 AbstIntStrong, 0.9936692750195651 AbsIntWeakeningRatio, 0.22408536585365854 AbsIntAvgWeakeningVarsNumRemoved, 2412.6173780487807 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 42 StatesRemovedByMinimization, 4 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/Problem02_label51_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_08-33-40-579.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem02_label51_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_08-33-40-579.csv Completed graceful shutdown