java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label54_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 03:42:32,277 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 03:42:32,280 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 03:42:32,296 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 03:42:32,297 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 03:42:32,298 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 03:42:32,299 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 03:42:32,302 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 03:42:32,305 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 03:42:32,307 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 03:42:32,308 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 03:42:32,308 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 03:42:32,310 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 03:42:32,311 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 03:42:32,314 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 03:42:32,321 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 03:42:32,322 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 03:42:32,325 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 03:42:32,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 03:42:32,330 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 03:42:32,332 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 03:42:32,333 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 03:42:32,336 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 03:42:32,336 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 03:42:32,336 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 03:42:32,339 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 03:42:32,340 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 03:42:32,341 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 03:42:32,342 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 03:42:32,343 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 03:42:32,343 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 03:42:32,345 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 03:42:32,348 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-19 03:42:32,369 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 03:42:32,369 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 03:42:32,370 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 03:42:32,370 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 03:42:32,370 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 03:42:32,371 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 03:42:32,371 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 03:42:32,372 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 03:42:32,372 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 03:42:32,372 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 03:42:32,372 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 03:42:32,372 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 03:42:32,373 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 03:42:32,373 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 03:42:32,373 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 03:42:32,374 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 03:42:32,375 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 03:42:32,375 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 03:42:32,375 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 03:42:32,375 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 03:42:32,375 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 03:42:32,375 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 03:42:32,376 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 03:42:32,376 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 03:42:32,376 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 03:42:32,376 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 03:42:32,378 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 03:42:32,378 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 03:42:32,378 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 03:42:32,378 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 03:42:32,378 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 03:42:32,379 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 03:42:32,379 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 03:42:32,379 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 03:42:32,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 03:42:32,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 03:42:32,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 03:42:32,469 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 03:42:32,470 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 03:42:32,470 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label54_true-unreach-call.c [2018-09-19 03:42:32,833 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0836ce918/ae23a7c2cb6e49149f87568e96c794a0/FLAGddce5e256 [2018-09-19 03:42:33,212 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 03:42:33,214 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label54_true-unreach-call.c [2018-09-19 03:42:33,231 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0836ce918/ae23a7c2cb6e49149f87568e96c794a0/FLAGddce5e256 [2018-09-19 03:42:33,251 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0836ce918/ae23a7c2cb6e49149f87568e96c794a0 [2018-09-19 03:42:33,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 03:42:33,270 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 03:42:33,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 03:42:33,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 03:42:33,279 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 03:42:33,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:42:33" (1/1) ... [2018-09-19 03:42:33,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9b8b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:42:33, skipping insertion in model container [2018-09-19 03:42:33,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:42:33" (1/1) ... [2018-09-19 03:42:33,296 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 03:42:33,869 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 03:42:33,891 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 03:42:34,065 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 03:42:34,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:42:34 WrapperNode [2018-09-19 03:42:34,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 03:42:34,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 03:42:34,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 03:42:34,147 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 03:42:34,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:42:34" (1/1) ... [2018-09-19 03:42:34,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:42:34" (1/1) ... [2018-09-19 03:42:34,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 03:42:34,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 03:42:34,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 03:42:34,329 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 03:42:34,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:42:34" (1/1) ... [2018-09-19 03:42:34,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:42:34" (1/1) ... [2018-09-19 03:42:34,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:42:34" (1/1) ... [2018-09-19 03:42:34,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:42:34" (1/1) ... [2018-09-19 03:42:34,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:42:34" (1/1) ... [2018-09-19 03:42:34,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:42:34" (1/1) ... [2018-09-19 03:42:34,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:42:34" (1/1) ... [2018-09-19 03:42:34,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 03:42:34,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 03:42:34,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 03:42:34,706 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 03:42:34,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:42:34" (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 03:42:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 03:42:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 03:42:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 03:42:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 03:42:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 03:42:34,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 03:42:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 03:42:34,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 03:42:39,264 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 03:42:39,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:42:39 BoogieIcfgContainer [2018-09-19 03:42:39,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 03:42:39,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 03:42:39,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 03:42:39,271 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 03:42:39,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 03:42:33" (1/3) ... [2018-09-19 03:42:39,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab81059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:42:39, skipping insertion in model container [2018-09-19 03:42:39,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:42:34" (2/3) ... [2018-09-19 03:42:39,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab81059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:42:39, skipping insertion in model container [2018-09-19 03:42:39,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:42:39" (3/3) ... [2018-09-19 03:42:39,275 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label54_true-unreach-call.c [2018-09-19 03:42:39,285 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 03:42:39,296 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 03:42:39,356 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 03:42:39,357 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 03:42:39,358 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 03:42:39,358 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 03:42:39,358 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 03:42:39,358 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 03:42:39,358 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 03:42:39,359 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 03:42:39,359 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 03:42:39,395 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-19 03:42:39,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-19 03:42:39,404 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 03:42:39,405 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] [2018-09-19 03:42:39,407 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 03:42:39,413 INFO L82 PathProgramCache]: Analyzing trace with hash -639357604, now seen corresponding path program 1 times [2018-09-19 03:42:39,416 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 03:42:39,417 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 45 with the following transitions: [2018-09-19 03:42:39,420 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], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-19 03:42:39,484 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 03:42:39,484 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 03:42:41,558 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 03:42:41,560 INFO L272 AbstractInterpreter]: Visited 43 different actions 43 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-19 03:42:41,573 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 03:42:42,517 INFO L232 lantSequenceWeakener]: Weakened 42 states. On average, predicates are now at 75.16% of their original sizes. [2018-09-19 03:42:42,517 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 03:42:42,819 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 03:42:42,821 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 03:42:42,822 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 03:42:42,822 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 03:42:42,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 03:42:42,836 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 03:42:42,836 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 03:42:42,839 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-19 03:42:47,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 03:42:47,552 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-19 03:42:47,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 03:42:47,556 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2018-09-19 03:42:47,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 03:42:47,576 INFO L225 Difference]: With dead ends: 776 [2018-09-19 03:42:47,577 INFO L226 Difference]: Without dead ends: 481 [2018-09-19 03:42:47,586 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 [2018-09-19 03:42:47,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-19 03:42:47,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-19 03:42:47,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-19 03:42:47,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-19 03:42:47,673 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 44 [2018-09-19 03:42:47,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 03:42:47,674 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-19 03:42:47,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 03:42:47,674 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-19 03:42:47,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-09-19 03:42:47,683 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 03:42:47,684 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] [2018-09-19 03:42:47,684 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 03:42:47,684 INFO L82 PathProgramCache]: Analyzing trace with hash -4036219, now seen corresponding path program 1 times [2018-09-19 03:42:47,685 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 03:42:47,685 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-09-19 03:42:47,685 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], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 03:42:47,697 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 03:42:47,697 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 03:42:54,589 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 03:43:07,602 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 03:43:07,602 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 03:43:07,620 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 03:43:09,786 INFO L232 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 73.68% of their original sizes. [2018-09-19 03:43:09,787 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 03:43:10,709 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 03:43:10,709 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 03:43:10,710 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 03:43:10,710 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 03:43:10,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 03:43:10,713 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 03:43:10,714 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 03:43:10,714 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 11 states. [2018-09-19 03:43:20,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 03:43:20,139 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-09-19 03:43:20,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 03:43:20,140 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 161 [2018-09-19 03:43:20,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 03:43:20,144 INFO L225 Difference]: With dead ends: 959 [2018-09-19 03:43:20,144 INFO L226 Difference]: Without dead ends: 676 [2018-09-19 03:43:20,147 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-19 03:43:20,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-09-19 03:43:20,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-09-19 03:43:20,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-09-19 03:43:20,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-09-19 03:43:20,207 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 161 [2018-09-19 03:43:20,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 03:43:20,211 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-09-19 03:43:20,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 03:43:20,211 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-09-19 03:43:20,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-09-19 03:43:20,218 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 03:43:20,219 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] [2018-09-19 03:43:20,219 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 03:43:20,219 INFO L82 PathProgramCache]: Analyzing trace with hash 3491089, now seen corresponding path program 1 times [2018-09-19 03:43:20,220 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 03:43:20,220 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-09-19 03:43:20,225 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], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 03:43:20,236 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 03:43:20,237 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 03:43:32,864 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 03:43:39,021 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 03:43:39,021 INFO L272 AbstractInterpreter]: Visited 134 different actions 389 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 03:43:39,041 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 03:43:40,871 INFO L232 lantSequenceWeakener]: Weakened 169 states. On average, predicates are now at 73.64% of their original sizes. [2018-09-19 03:43:40,872 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 03:43:41,814 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 03:43:41,814 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 03:43:41,814 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 03:43:41,814 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 03:43:41,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 03:43:41,815 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 03:43:41,816 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 03:43:41,816 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 11 states. [2018-09-19 03:43:49,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 03:43:49,092 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-09-19 03:43:49,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 03:43:49,095 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2018-09-19 03:43:49,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 03:43:49,102 INFO L225 Difference]: With dead ends: 1153 [2018-09-19 03:43:49,102 INFO L226 Difference]: Without dead ends: 870 [2018-09-19 03:43:49,104 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 178 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-19 03:43:49,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-09-19 03:43:49,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-09-19 03:43:49,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-19 03:43:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-09-19 03:43:49,145 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 171 [2018-09-19 03:43:49,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 03:43:49,146 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-09-19 03:43:49,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 03:43:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-09-19 03:43:49,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-09-19 03:43:49,151 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 03:43:49,151 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] [2018-09-19 03:43:49,152 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 03:43:49,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1842858103, now seen corresponding path program 1 times [2018-09-19 03:43:49,152 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 03:43:49,153 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-09-19 03:43:49,153 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], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 03:43:49,160 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 03:43:49,160 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 03:44:01,598 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 03:44:08,360 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 03:44:08,360 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 03:44:08,366 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 03:44:10,082 INFO L232 lantSequenceWeakener]: Weakened 174 states. On average, predicates are now at 73.69% of their original sizes. [2018-09-19 03:44:10,083 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 03:44:12,879 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 03:44:12,879 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 03:44:12,879 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 03:44:12,879 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 03:44:12,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 03:44:12,880 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 03:44:12,880 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-09-19 03:44:12,881 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 12 states. [2018-09-19 03:44:26,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 03:44:26,237 INFO L93 Difference]: Finished difference Result 1746 states and 2762 transitions. [2018-09-19 03:44:26,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 03:44:26,239 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 176 [2018-09-19 03:44:26,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 03:44:26,248 INFO L225 Difference]: With dead ends: 1746 [2018-09-19 03:44:26,248 INFO L226 Difference]: Without dead ends: 1463 [2018-09-19 03:44:26,251 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 186 GetRequests, 127 SyntacticMatches, 38 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2018-09-19 03:44:26,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2018-09-19 03:44:26,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1452. [2018-09-19 03:44:26,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1452 states. [2018-09-19 03:44:26,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1773 transitions. [2018-09-19 03:44:26,300 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1773 transitions. Word has length 176 [2018-09-19 03:44:26,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 03:44:26,301 INFO L480 AbstractCegarLoop]: Abstraction has 1452 states and 1773 transitions. [2018-09-19 03:44:26,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 03:44:26,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1773 transitions. [2018-09-19 03:44:26,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-09-19 03:44:26,305 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 03:44:26,305 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 03:44:26,305 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 03:44:26,306 INFO L82 PathProgramCache]: Analyzing trace with hash -875818686, now seen corresponding path program 1 times [2018-09-19 03:44:26,306 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 03:44:26,306 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 193 with the following transitions: [2018-09-19 03:44:26,306 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], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 03:44:26,312 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 03:44:26,312 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 03:44:47,866 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 03:44:47,866 INFO L272 AbstractInterpreter]: Visited 155 different actions 452 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 03:44:47,873 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 03:44:49,590 INFO L232 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 73.58% of their original sizes. [2018-09-19 03:44:49,590 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 03:44:50,051 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 03:44:50,051 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 03:44:50,051 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 03:44:50,052 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 03:44:50,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 03:44:50,052 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 03:44:50,053 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 03:44:50,053 INFO L87 Difference]: Start difference. First operand 1452 states and 1773 transitions. Second operand 11 states. [2018-09-19 03:45:01,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 03:45:01,560 INFO L93 Difference]: Finished difference Result 2387 states and 3227 transitions. [2018-09-19 03:45:01,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 03:45:01,562 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 192 [2018-09-19 03:45:01,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 03:45:01,573 INFO L225 Difference]: With dead ends: 2387 [2018-09-19 03:45:01,573 INFO L226 Difference]: Without dead ends: 1912 [2018-09-19 03:45:01,576 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2018-09-19 03:45:01,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2018-09-19 03:45:01,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1833. [2018-09-19 03:45:01,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1833 states. [2018-09-19 03:45:01,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2203 transitions. [2018-09-19 03:45:01,642 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2203 transitions. Word has length 192 [2018-09-19 03:45:01,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 03:45:01,643 INFO L480 AbstractCegarLoop]: Abstraction has 1833 states and 2203 transitions. [2018-09-19 03:45:01,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 03:45:01,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2203 transitions. [2018-09-19 03:45:01,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-09-19 03:45:01,647 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 03:45:01,648 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, 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] [2018-09-19 03:45:01,648 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 03:45:01,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1998854254, now seen corresponding path program 1 times [2018-09-19 03:45:01,649 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 03:45:01,649 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 243 with the following transitions: [2018-09-19 03:45:01,649 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], [538], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 03:45:01,654 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 03:45:01,654 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 03:45:06,946 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 03:45:36,847 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 03:45:36,847 INFO L272 AbstractInterpreter]: Visited 125 different actions 729 times. Merged at 7 different actions 34 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 03:45:36,854 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 03:45:38,776 INFO L232 lantSequenceWeakener]: Weakened 240 states. On average, predicates are now at 73.51% of their original sizes. [2018-09-19 03:45:38,776 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 03:45:50,926 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 03:45:50,927 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 03:45:50,927 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 03:45:50,927 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 03:45:50,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 03:45:50,928 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 03:45:50,929 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-19 03:45:50,929 INFO L87 Difference]: Start difference. First operand 1833 states and 2203 transitions. Second operand 12 states. [2018-09-19 03:46:02,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 03:46:02,736 INFO L93 Difference]: Finished difference Result 2342 states and 3095 transitions. [2018-09-19 03:46:02,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 03:46:02,737 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 242 [2018-09-19 03:46:02,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 03:46:02,750 INFO L225 Difference]: With dead ends: 2342 [2018-09-19 03:46:02,750 INFO L226 Difference]: Without dead ends: 2059 [2018-09-19 03:46:02,752 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 251 GetRequests, 71 SyntacticMatches, 160 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2018-09-19 03:46:02,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2059 states. [2018-09-19 03:46:02,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2059 to 2048. [2018-09-19 03:46:02,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2048 states. [2018-09-19 03:46:02,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 2048 states and 2474 transitions. [2018-09-19 03:46:02,820 INFO L78 Accepts]: Start accepts. Automaton has 2048 states and 2474 transitions. Word has length 242 [2018-09-19 03:46:02,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 03:46:02,821 INFO L480 AbstractCegarLoop]: Abstraction has 2048 states and 2474 transitions. [2018-09-19 03:46:02,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 03:46:02,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 2474 transitions. [2018-09-19 03:46:02,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-09-19 03:46:02,826 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 03:46:02,826 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, 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] [2018-09-19 03:46:02,826 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 03:46:02,827 INFO L82 PathProgramCache]: Analyzing trace with hash -2044859830, now seen corresponding path program 1 times [2018-09-19 03:46:02,827 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 03:46:02,827 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-09-19 03:46:02,827 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], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 03:46:02,831 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 03:46:02,831 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 03:46:07,988 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 03:46:36,741 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 03:46:36,741 INFO L272 AbstractInterpreter]: Visited 125 different actions 729 times. Merged at 7 different actions 34 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 03:46:36,750 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 03:46:38,751 INFO L232 lantSequenceWeakener]: Weakened 244 states. On average, predicates are now at 73.5% of their original sizes. [2018-09-19 03:46:38,752 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 03:46:39,444 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 03:46:39,445 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 03:46:39,445 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 03:46:39,445 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 03:46:39,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 03:46:39,446 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 03:46:39,446 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 03:46:39,446 INFO L87 Difference]: Start difference. First operand 2048 states and 2474 transitions. Second operand 14 states. Received shutdown request... [2018-09-19 03:46:50,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 03:46:50,480 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 03:46:50,485 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 03:46:50,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 03:46:50 BoogieIcfgContainer [2018-09-19 03:46:50,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 03:46:50,486 INFO L168 Benchmark]: Toolchain (without parser) took 257221.96 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 613.0 MB. Max. memory is 7.1 GB. [2018-09-19 03:46:50,488 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 03:46:50,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 875.96 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. [2018-09-19 03:46:50,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.32 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-19 03:46:50,490 INFO L168 Benchmark]: Boogie Preprocessor took 376.32 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 816.3 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -942.6 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2018-09-19 03:46:50,491 INFO L168 Benchmark]: RCFGBuilder took 4560.43 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 170.7 MB). Peak memory consumption was 170.7 MB. Max. memory is 7.1 GB. [2018-09-19 03:46:50,492 INFO L168 Benchmark]: TraceAbstraction took 251218.66 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 470.8 MB. Max. memory is 7.1 GB. [2018-09-19 03:46:50,501 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 875.96 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 181.32 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 376.32 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 816.3 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -942.6 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4560.43 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 170.7 MB). Peak memory consumption was 170.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 251218.66 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 470.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 117). Cancelled while BasicCegarLoop was constructing difference of abstraction (2048states) and FLOYD_HOARE automaton (currently 16 states, 14 states before enhancement), while ReachableStatesComputation was computing reachable states (1639 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 251.1s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 69.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1880 SDtfs, 8254 SDslu, 2244 SDs, 0 SdLazy, 14813 SolverSat, 1642 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 61.1s Time, PredicateUnifierStatistics: 14 DeclaredPredicates, 1284 GetRequests, 964 SyntacticMatches, 198 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843 ImplicationChecksByTransitivity, 20.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2048occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 150.8s AbstIntTime, 7 AbstIntIterations, 7 AbstIntStrong, 0.9948590034304314 AbsIntWeakeningRatio, 0.13142857142857142 AbsIntAvgWeakeningVarsNumRemoved, 1242.7216326530613 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 116 StatesRemovedByMinimization, 6 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/Problem11_label54_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_03-46-50-518.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label54_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_03-46-50-518.csv Completed graceful shutdown