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/Problem10_label22_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 19:20:52,360 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 19:20:52,365 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 19:20:52,385 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 19:20:52,385 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 19:20:52,387 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 19:20:52,388 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 19:20:52,390 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 19:20:52,393 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 19:20:52,402 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 19:20:52,403 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 19:20:52,404 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 19:20:52,405 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 19:20:52,405 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 19:20:52,412 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 19:20:52,413 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 19:20:52,415 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 19:20:52,418 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 19:20:52,423 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 19:20:52,425 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 19:20:52,426 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 19:20:52,430 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 19:20:52,435 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 19:20:52,435 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 19:20:52,438 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 19:20:52,439 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 19:20:52,441 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 19:20:52,442 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 19:20:52,442 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 19:20:52,443 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 19:20:52,444 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 19:20:52,446 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 19:20:52,447 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 19:20:52,447 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 19:20:52,448 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 19:20:52,449 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 19:20:52,449 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 [2018-09-15 19:20:52,479 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 19:20:52,479 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 19:20:52,480 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 19:20:52,481 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 19:20:52,481 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 19:20:52,481 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 19:20:52,481 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 19:20:52,484 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 19:20:52,485 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 19:20:52,485 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 19:20:52,485 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 19:20:52,485 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 19:20:52,487 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 19:20:52,487 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 19:20:52,487 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 19:20:52,487 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 19:20:52,488 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 19:20:52,488 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 19:20:52,488 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 19:20:52,488 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 19:20:52,489 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 19:20:52,489 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 19:20:52,489 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 19:20:52,491 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 19:20:52,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 19:20:52,492 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 19:20:52,492 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 19:20:52,492 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 19:20:52,492 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 19:20:52,493 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 19:20:52,493 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 19:20:52,493 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 19:20:52,493 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 19:20:52,494 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 19:20:52,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 19:20:52,583 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 19:20:52,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 19:20:52,591 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 19:20:52,592 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 19:20:52,593 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label22_true-unreach-call.c [2018-09-15 19:20:52,997 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb3a6114b/b4f85bd844e1409bb5457ecb973257b3/FLAG98ee012b7 [2018-09-15 19:20:53,261 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 19:20:53,262 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label22_true-unreach-call.c [2018-09-15 19:20:53,284 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb3a6114b/b4f85bd844e1409bb5457ecb973257b3/FLAG98ee012b7 [2018-09-15 19:20:53,311 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb3a6114b/b4f85bd844e1409bb5457ecb973257b3 [2018-09-15 19:20:53,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 19:20:53,332 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 19:20:53,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 19:20:53,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 19:20:53,342 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 19:20:53,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:20:53" (1/1) ... [2018-09-15 19:20:53,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bedad32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:20:53, skipping insertion in model container [2018-09-15 19:20:53,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:20:53" (1/1) ... [2018-09-15 19:20:53,361 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 19:20:53,823 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:20:53,850 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 19:20:54,055 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:20:54,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:20:54 WrapperNode [2018-09-15 19:20:54,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 19:20:54,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 19:20:54,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 19:20:54,120 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 19:20:54,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:20:54" (1/1) ... [2018-09-15 19:20:54,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:20:54" (1/1) ... [2018-09-15 19:20:54,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 19:20:54,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 19:20:54,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 19:20:54,249 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 19:20:54,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:20:54" (1/1) ... [2018-09-15 19:20:54,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:20:54" (1/1) ... [2018-09-15 19:20:54,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:20:54" (1/1) ... [2018-09-15 19:20:54,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:20:54" (1/1) ... [2018-09-15 19:20:54,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:20:54" (1/1) ... [2018-09-15 19:20:54,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:20:54" (1/1) ... [2018-09-15 19:20:54,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:20:54" (1/1) ... [2018-09-15 19:20:54,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 19:20:54,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 19:20:54,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 19:20:54,558 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 19:20:54,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:20:54" (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 19:20:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 19:20:54,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 19:20:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 19:20:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 19:20:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 19:20:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 19:20:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 19:20:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 19:20:58,169 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 19:20:58,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:20:58 BoogieIcfgContainer [2018-09-15 19:20:58,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 19:20:58,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 19:20:58,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 19:20:58,175 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 19:20:58,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 07:20:53" (1/3) ... [2018-09-15 19:20:58,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539ca4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:20:58, skipping insertion in model container [2018-09-15 19:20:58,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:20:54" (2/3) ... [2018-09-15 19:20:58,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539ca4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:20:58, skipping insertion in model container [2018-09-15 19:20:58,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:20:58" (3/3) ... [2018-09-15 19:20:58,179 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label22_true-unreach-call.c [2018-09-15 19:20:58,189 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 19:20:58,199 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 19:20:58,253 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 19:20:58,254 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 19:20:58,255 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 19:20:58,255 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 19:20:58,255 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 19:20:58,255 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 19:20:58,255 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 19:20:58,256 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 19:20:58,256 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 19:20:58,283 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-15 19:20:58,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-15 19:20:58,293 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:20:58,294 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] [2018-09-15 19:20:58,295 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:20:58,301 INFO L82 PathProgramCache]: Analyzing trace with hash 625689180, now seen corresponding path program 1 times [2018-09-15 19:20:58,304 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:20:58,305 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 45 with the following transitions: [2018-09-15 19:20:58,308 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [796], [800], [806], [810], [817], [818], [819], [821] [2018-09-15 19:20:58,365 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:20:58,366 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:20:59,545 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:20:59,547 INFO L272 AbstractInterpreter]: Visited 43 different actions 43 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-15 19:20:59,561 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:21:00,104 INFO L232 lantSequenceWeakener]: Weakened 42 states. On average, predicates are now at 75.4% of their original sizes. [2018-09-15 19:21:00,104 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:21:00,391 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:21:00,392 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:21:00,393 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 19:21:00,393 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:21:00,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 19:21:00,406 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 19:21:00,407 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:21:00,410 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 6 states. [2018-09-15 19:21:03,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:21:03,651 INFO L93 Difference]: Finished difference Result 576 states and 995 transitions. [2018-09-15 19:21:03,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 19:21:03,653 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2018-09-15 19:21:03,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:21:03,673 INFO L225 Difference]: With dead ends: 576 [2018-09-15 19:21:03,673 INFO L226 Difference]: Without dead ends: 358 [2018-09-15 19:21:03,686 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:21:03,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-09-15 19:21:03,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2018-09-15 19:21:03,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-15 19:21:03,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2018-09-15 19:21:03,783 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 44 [2018-09-15 19:21:03,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:21:03,783 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2018-09-15 19:21:03,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 19:21:03,785 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2018-09-15 19:21:03,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-09-15 19:21:03,795 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:21:03,796 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:21:03,796 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:21:03,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1967158933, now seen corresponding path program 1 times [2018-09-15 19:21:03,797 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:21:03,798 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 116 with the following transitions: [2018-09-15 19:21:03,798 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:21:03,813 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:21:03,814 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:21:05,314 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:21:08,076 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:21:08,076 INFO L272 AbstractInterpreter]: Visited 78 different actions 150 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 19:21:08,088 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:21:09,891 INFO L232 lantSequenceWeakener]: Weakened 113 states. On average, predicates are now at 73.84% of their original sizes. [2018-09-15 19:21:09,891 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:21:10,842 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:21:10,843 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:21:10,843 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-15 19:21:10,843 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:21:10,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-15 19:21:10,844 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-15 19:21:10,845 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-15 19:21:10,845 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand 10 states. [2018-09-15 19:21:21,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:21:21,368 INFO L93 Difference]: Finished difference Result 711 states and 1126 transitions. [2018-09-15 19:21:21,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-15 19:21:21,372 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 115 [2018-09-15 19:21:21,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:21:21,377 INFO L225 Difference]: With dead ends: 711 [2018-09-15 19:21:21,377 INFO L226 Difference]: Without dead ends: 505 [2018-09-15 19:21:21,380 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-15 19:21:21,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-09-15 19:21:21,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 502. [2018-09-15 19:21:21,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2018-09-15 19:21:21,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 655 transitions. [2018-09-15 19:21:21,422 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 655 transitions. Word has length 115 [2018-09-15 19:21:21,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:21:21,423 INFO L480 AbstractCegarLoop]: Abstraction has 502 states and 655 transitions. [2018-09-15 19:21:21,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-15 19:21:21,423 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 655 transitions. [2018-09-15 19:21:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-15 19:21:21,427 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:21:21,427 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:21:21,428 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:21:21,428 INFO L82 PathProgramCache]: Analyzing trace with hash -344279760, now seen corresponding path program 1 times [2018-09-15 19:21:21,428 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:21:21,428 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 125 with the following transitions: [2018-09-15 19:21:21,429 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:21:21,433 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:21:21,433 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:21:26,085 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:21:26,085 INFO L272 AbstractInterpreter]: Visited 87 different actions 167 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 19:21:26,090 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:21:26,858 INFO L232 lantSequenceWeakener]: Weakened 122 states. On average, predicates are now at 73.76% of their original sizes. [2018-09-15 19:21:26,858 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:21:27,386 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:21:27,386 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:21:27,386 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:21:27,386 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:21:27,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:21:27,387 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:21:27,387 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:21:27,388 INFO L87 Difference]: Start difference. First operand 502 states and 655 transitions. Second operand 12 states. [2018-09-15 19:21:34,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:21:34,530 INFO L93 Difference]: Finished difference Result 1002 states and 1569 transitions. [2018-09-15 19:21:34,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 19:21:34,531 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 124 [2018-09-15 19:21:34,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:21:34,536 INFO L225 Difference]: With dead ends: 1002 [2018-09-15 19:21:34,536 INFO L226 Difference]: Without dead ends: 796 [2018-09-15 19:21:34,538 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 131 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-09-15 19:21:34,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2018-09-15 19:21:34,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 793. [2018-09-15 19:21:34,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-09-15 19:21:34,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 962 transitions. [2018-09-15 19:21:34,584 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 962 transitions. Word has length 124 [2018-09-15 19:21:34,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:21:34,585 INFO L480 AbstractCegarLoop]: Abstraction has 793 states and 962 transitions. [2018-09-15 19:21:34,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:21:34,585 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 962 transitions. [2018-09-15 19:21:34,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-09-15 19:21:34,590 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:21:34,590 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:21:34,590 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:21:34,591 INFO L82 PathProgramCache]: Analyzing trace with hash -679371352, now seen corresponding path program 1 times [2018-09-15 19:21:34,591 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:21:34,591 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-09-15 19:21:34,591 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:21:34,596 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:21:34,597 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:21:38,365 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:21:47,414 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:21:47,415 INFO L272 AbstractInterpreter]: Visited 123 different actions 356 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 19:21:47,425 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:21:49,781 INFO L232 lantSequenceWeakener]: Weakened 158 states. On average, predicates are now at 73.52% of their original sizes. [2018-09-15 19:21:49,782 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:21:50,820 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:21:50,821 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:21:50,821 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-15 19:21:50,821 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:21:50,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-15 19:21:50,822 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-15 19:21:50,822 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-15 19:21:50,823 INFO L87 Difference]: Start difference. First operand 793 states and 962 transitions. Second operand 14 states. [2018-09-15 19:21:59,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:21:59,398 INFO L93 Difference]: Finished difference Result 1161 states and 1610 transitions. [2018-09-15 19:21:59,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-15 19:21:59,399 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 160 [2018-09-15 19:21:59,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:21:59,405 INFO L225 Difference]: With dead ends: 1161 [2018-09-15 19:21:59,405 INFO L226 Difference]: Without dead ends: 955 [2018-09-15 19:21:59,406 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 171 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=154, Invalid=496, Unknown=0, NotChecked=0, Total=650 [2018-09-15 19:21:59,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2018-09-15 19:21:59,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 943. [2018-09-15 19:21:59,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 943 states. [2018-09-15 19:21:59,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1137 transitions. [2018-09-15 19:21:59,449 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1137 transitions. Word has length 160 [2018-09-15 19:21:59,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:21:59,450 INFO L480 AbstractCegarLoop]: Abstraction has 943 states and 1137 transitions. [2018-09-15 19:21:59,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-15 19:21:59,450 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1137 transitions. [2018-09-15 19:21:59,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-09-15 19:21:59,454 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:21:59,454 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:21:59,454 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:21:59,454 INFO L82 PathProgramCache]: Analyzing trace with hash 606530795, now seen corresponding path program 1 times [2018-09-15 19:21:59,455 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:21:59,455 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-09-15 19:21:59,455 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:21:59,461 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:21:59,461 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:22:12,201 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:22:12,201 INFO L272 AbstractInterpreter]: Visited 142 different actions 278 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 19:22:12,206 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:22:13,980 INFO L232 lantSequenceWeakener]: Weakened 177 states. On average, predicates are now at 73.44% of their original sizes. [2018-09-15 19:22:13,981 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:22:15,597 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:22:15,597 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:22:15,598 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-15 19:22:15,598 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:22:15,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-15 19:22:15,598 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-15 19:22:15,599 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2018-09-15 19:22:15,599 INFO L87 Difference]: Start difference. First operand 943 states and 1137 transitions. Second operand 18 states. [2018-09-15 19:22:24,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:22:24,864 INFO L93 Difference]: Finished difference Result 1561 states and 2167 transitions. [2018-09-15 19:22:24,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-09-15 19:22:24,866 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 179 [2018-09-15 19:22:24,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:22:24,873 INFO L225 Difference]: With dead ends: 1561 [2018-09-15 19:22:24,873 INFO L226 Difference]: Without dead ends: 1207 [2018-09-15 19:22:24,876 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=287, Invalid=903, Unknown=0, NotChecked=0, Total=1190 [2018-09-15 19:22:24,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2018-09-15 19:22:24,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1205. [2018-09-15 19:22:24,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2018-09-15 19:22:24,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1418 transitions. [2018-09-15 19:22:24,926 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1418 transitions. Word has length 179 [2018-09-15 19:22:24,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:22:24,927 INFO L480 AbstractCegarLoop]: Abstraction has 1205 states and 1418 transitions. [2018-09-15 19:22:24,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-15 19:22:24,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1418 transitions. [2018-09-15 19:22:24,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-09-15 19:22:24,930 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:22:24,931 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 19:22:24,931 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:22:24,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1994263801, now seen corresponding path program 1 times [2018-09-15 19:22:24,931 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:22:24,931 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-09-15 19:22:24,932 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [518], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:22:24,935 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:22:24,935 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:22:26,137 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:22:31,923 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:22:31,923 INFO L272 AbstractInterpreter]: Visited 84 different actions 244 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-15 19:22:31,931 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:22:33,473 INFO L232 lantSequenceWeakener]: Weakened 189 states. On average, predicates are now at 73.45% of their original sizes. [2018-09-15 19:22:33,473 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:22:33,983 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:22:33,983 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:22:33,983 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 19:22:33,984 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:22:33,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 19:22:33,984 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 19:22:33,984 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 19:22:33,985 INFO L87 Difference]: Start difference. First operand 1205 states and 1418 transitions. Second operand 11 states. [2018-09-15 19:22:40,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:22:40,663 INFO L93 Difference]: Finished difference Result 1717 states and 2233 transitions. [2018-09-15 19:22:40,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-15 19:22:40,664 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 191 [2018-09-15 19:22:40,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:22:40,671 INFO L225 Difference]: With dead ends: 1717 [2018-09-15 19:22:40,672 INFO L226 Difference]: Without dead ends: 1363 [2018-09-15 19:22:40,674 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:22:40,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2018-09-15 19:22:40,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1353. [2018-09-15 19:22:40,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1353 states. [2018-09-15 19:22:40,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1584 transitions. [2018-09-15 19:22:40,735 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1584 transitions. Word has length 191 [2018-09-15 19:22:40,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:22:40,735 INFO L480 AbstractCegarLoop]: Abstraction has 1353 states and 1584 transitions. [2018-09-15 19:22:40,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 19:22:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1584 transitions. [2018-09-15 19:22:40,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-09-15 19:22:40,739 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:22:40,740 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 19:22:40,740 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:22:40,740 INFO L82 PathProgramCache]: Analyzing trace with hash 384108095, now seen corresponding path program 1 times [2018-09-15 19:22:40,740 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:22:40,741 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-09-15 19:22:40,741 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:22:40,744 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:22:40,744 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:22:42,088 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:22:58,989 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:22:58,989 INFO L272 AbstractInterpreter]: Visited 88 different actions 511 times. Merged at 7 different actions 38 times. Widened at 1 different actions 1 times. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-15 19:22:58,995 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:23:00,694 INFO L232 lantSequenceWeakener]: Weakened 193 states. On average, predicates are now at 73.44% of their original sizes. [2018-09-15 19:23:00,694 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:23:01,606 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:23:01,607 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:23:01,607 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-15 19:23:01,607 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:23:01,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-15 19:23:01,608 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-15 19:23:01,608 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2018-09-15 19:23:01,609 INFO L87 Difference]: Start difference. First operand 1353 states and 1584 transitions. Second operand 15 states. [2018-09-15 19:23:14,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:23:14,216 INFO L93 Difference]: Finished difference Result 2559 states and 3382 transitions. [2018-09-15 19:23:14,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 19:23:14,218 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 195 [2018-09-15 19:23:14,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:23:14,229 INFO L225 Difference]: With dead ends: 2559 [2018-09-15 19:23:14,229 INFO L226 Difference]: Without dead ends: 2057 [2018-09-15 19:23:14,232 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 206 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2018-09-15 19:23:14,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2018-09-15 19:23:14,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2037. [2018-09-15 19:23:14,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2037 states. [2018-09-15 19:23:14,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 2037 states and 2424 transitions. [2018-09-15 19:23:14,336 INFO L78 Accepts]: Start accepts. Automaton has 2037 states and 2424 transitions. Word has length 195 [2018-09-15 19:23:14,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:23:14,337 INFO L480 AbstractCegarLoop]: Abstraction has 2037 states and 2424 transitions. [2018-09-15 19:23:14,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-15 19:23:14,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2424 transitions. [2018-09-15 19:23:14,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-09-15 19:23:14,343 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:23:14,344 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 19:23:14,344 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:23:14,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1541672056, now seen corresponding path program 1 times [2018-09-15 19:23:14,345 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:23:14,345 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-09-15 19:23:14,345 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:23:14,349 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:23:14,349 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:23:15,853 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:23:33,653 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:23:33,653 INFO L272 AbstractInterpreter]: Visited 121 different actions 356 times. Merged at 7 different actions 15 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-15 19:23:33,661 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:23:36,380 INFO L232 lantSequenceWeakener]: Weakened 226 states. On average, predicates are now at 73.33% of their original sizes. [2018-09-15 19:23:36,381 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:23:38,025 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:23:38,025 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:23:38,025 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-09-15 19:23:38,025 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:23:38,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-09-15 19:23:38,026 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-09-15 19:23:38,026 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2018-09-15 19:23:38,027 INFO L87 Difference]: Start difference. First operand 2037 states and 2424 transitions. Second operand 19 states. [2018-09-15 19:23:55,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:23:55,014 INFO L93 Difference]: Finished difference Result 4438 states and 5613 transitions. [2018-09-15 19:23:55,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-09-15 19:23:55,015 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 228 [2018-09-15 19:23:55,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:23:55,029 INFO L225 Difference]: With dead ends: 4438 [2018-09-15 19:23:55,029 INFO L226 Difference]: Without dead ends: 2961 [2018-09-15 19:23:55,034 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 246 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=341, Invalid=1065, Unknown=0, NotChecked=0, Total=1406 [2018-09-15 19:23:55,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2961 states. [2018-09-15 19:23:55,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2961 to 2897. [2018-09-15 19:23:55,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2897 states. [2018-09-15 19:23:55,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 3445 transitions. [2018-09-15 19:23:55,172 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 3445 transitions. Word has length 228 [2018-09-15 19:23:55,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:23:55,173 INFO L480 AbstractCegarLoop]: Abstraction has 2897 states and 3445 transitions. [2018-09-15 19:23:55,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-09-15 19:23:55,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 3445 transitions. [2018-09-15 19:23:55,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-09-15 19:23:55,179 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:23:55,180 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 19:23:55,180 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:23:55,180 INFO L82 PathProgramCache]: Analyzing trace with hash 234562235, now seen corresponding path program 1 times [2018-09-15 19:23:55,180 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:23:55,181 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-09-15 19:23:55,181 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:23:55,185 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:23:55,185 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:23:59,001 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:24:25,177 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:24:25,177 INFO L272 AbstractInterpreter]: Visited 124 different actions 604 times. Merged at 7 different actions 28 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-15 19:24:25,185 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:24:27,756 INFO L232 lantSequenceWeakener]: Weakened 231 states. On average, predicates are now at 73.32% of their original sizes. [2018-09-15 19:24:27,757 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:24:31,400 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:24:31,401 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:24:31,401 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-09-15 19:24:31,401 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:24:31,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-09-15 19:24:31,402 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-09-15 19:24:31,402 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2018-09-15 19:24:31,402 INFO L87 Difference]: Start difference. First operand 2897 states and 3445 transitions. Second operand 17 states. [2018-09-15 19:24:44,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:24:44,811 INFO L93 Difference]: Finished difference Result 5136 states and 6327 transitions. [2018-09-15 19:24:44,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-15 19:24:44,812 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 233 [2018-09-15 19:24:44,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:24:44,824 INFO L225 Difference]: With dead ends: 5136 [2018-09-15 19:24:44,825 INFO L226 Difference]: Without dead ends: 3090 [2018-09-15 19:24:44,831 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 246 GetRequests, 206 SyntacticMatches, 11 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=236, Invalid=694, Unknown=0, NotChecked=0, Total=930 [2018-09-15 19:24:44,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3090 states. [2018-09-15 19:24:44,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3090 to 3049. [2018-09-15 19:24:44,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3049 states. [2018-09-15 19:24:44,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3049 states to 3049 states and 3644 transitions. [2018-09-15 19:24:44,985 INFO L78 Accepts]: Start accepts. Automaton has 3049 states and 3644 transitions. Word has length 233 [2018-09-15 19:24:44,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:24:44,986 INFO L480 AbstractCegarLoop]: Abstraction has 3049 states and 3644 transitions. [2018-09-15 19:24:44,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-09-15 19:24:44,986 INFO L276 IsEmpty]: Start isEmpty. Operand 3049 states and 3644 transitions. [2018-09-15 19:24:44,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-09-15 19:24:44,995 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:24:44,995 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 19:24:44,996 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:24:44,996 INFO L82 PathProgramCache]: Analyzing trace with hash 91842080, now seen corresponding path program 1 times [2018-09-15 19:24:44,996 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:24:44,996 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 239 with the following transitions: [2018-09-15 19:24:44,997 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:24:45,001 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:24:45,001 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:24:49,263 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:25:10,512 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:25:10,513 INFO L272 AbstractInterpreter]: Visited 124 different actions 605 times. Merged at 7 different actions 29 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-15 19:25:10,521 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:25:12,509 INFO L232 lantSequenceWeakener]: Weakened 236 states. On average, predicates are now at 73.31% of their original sizes. [2018-09-15 19:25:12,510 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:25:13,129 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:25:13,130 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:25:13,130 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 19:25:13,130 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:25:13,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 19:25:13,131 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 19:25:13,131 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-15 19:25:13,131 INFO L87 Difference]: Start difference. First operand 3049 states and 3644 transitions. Second operand 13 states. Received shutdown request... [2018-09-15 19:25:17,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 19:25:17,500 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 19:25:17,505 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 19:25:17,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 07:25:17 BoogieIcfgContainer [2018-09-15 19:25:17,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 19:25:17,506 INFO L168 Benchmark]: Toolchain (without parser) took 264178.16 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.6 GB in the end (delta: -2.3 GB). Peak memory consumption was 363.9 MB. Max. memory is 7.1 GB. [2018-09-15 19:25:17,508 INFO L168 Benchmark]: CDTParser took 0.24 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 19:25:17,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.89 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-15 19:25:17,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.04 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-15 19:25:17,510 INFO L168 Benchmark]: Boogie Preprocessor took 309.12 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 728.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -819.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2018-09-15 19:25:17,511 INFO L168 Benchmark]: RCFGBuilder took 3611.90 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 112.0 MB). Peak memory consumption was 112.0 MB. Max. memory is 7.1 GB. [2018-09-15 19:25:17,512 INFO L168 Benchmark]: TraceAbstraction took 259334.93 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 290.7 MB. Max. memory is 7.1 GB. [2018-09-15 19:25:17,517 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 785.89 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 128.04 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 309.12 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 728.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -819.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3611.90 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 112.0 MB). Peak memory consumption was 112.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 259334.93 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 290.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 115). Cancelled while BasicCegarLoop was constructing difference of abstraction (3049states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement), while ReachableStatesComputation was computing reachable states (411 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 259.2s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 92.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1823 SDtfs, 9526 SDslu, 2610 SDs, 0 SdLazy, 16709 SolverSat, 1972 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 79.2s Time, PredicateUnifierStatistics: 20 DeclaredPredicates, 1804 GetRequests, 1571 SyntacticMatches, 11 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1194 ImplicationChecksByTransitivity, 18.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3049occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 135.8s AbstIntTime, 10 AbstIntIterations, 10 AbstIntStrong, 0.9939491569638114 AbsIntWeakeningRatio, 0.13199764289923394 AbsIntAvgWeakeningVarsNumRemoved, 67.28344136711844 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 157 StatesRemovedByMinimization, 9 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/Problem10_label22_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_19-25-17-531.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label22_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_19-25-17-531.csv Completed graceful shutdown