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/Problem11_label38_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 10:14:08,295 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 10:14:08,298 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 10:14:08,313 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 10:14:08,313 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 10:14:08,315 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 10:14:08,316 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 10:14:08,318 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 10:14:08,320 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 10:14:08,321 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 10:14:08,322 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 10:14:08,322 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 10:14:08,323 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 10:14:08,324 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 10:14:08,325 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 10:14:08,326 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 10:14:08,327 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 10:14:08,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 10:14:08,331 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 10:14:08,333 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 10:14:08,334 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 10:14:08,335 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 10:14:08,337 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 10:14:08,338 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 10:14:08,338 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 10:14:08,339 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 10:14:08,340 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 10:14:08,341 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 10:14:08,342 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 10:14:08,343 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 10:14:08,343 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 10:14:08,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 10:14:08,344 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 10:14:08,344 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 10:14:08,345 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 10:14:08,346 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 10:14:08,346 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-19 10:14:08,363 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 10:14:08,363 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 10:14:08,364 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 10:14:08,364 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 10:14:08,364 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 10:14:08,365 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 10:14:08,365 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 10:14:08,365 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 10:14:08,365 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 10:14:08,365 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 10:14:08,366 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 10:14:08,366 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 10:14:08,366 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 10:14:08,367 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 10:14:08,367 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 10:14:08,367 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 10:14:08,368 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 10:14:08,368 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 10:14:08,368 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 10:14:08,368 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 10:14:08,368 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 10:14:08,369 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 10:14:08,369 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 10:14:08,369 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 10:14:08,369 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 10:14:08,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 10:14:08,370 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 10:14:08,370 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 10:14:08,370 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 10:14:08,370 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 10:14:08,371 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 10:14:08,371 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 10:14:08,371 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 10:14:08,371 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 10:14:08,371 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 10:14:08,442 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 10:14:08,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 10:14:08,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 10:14:08,467 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 10:14:08,467 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 10:14:08,468 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label38_true-unreach-call.c [2018-09-19 10:14:08,884 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61826debd/d178cf185e2c4d8fa5fc433a1d1303af/FLAG3e27f6d98 [2018-09-19 10:14:09,239 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 10:14:09,240 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label38_true-unreach-call.c [2018-09-19 10:14:09,262 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61826debd/d178cf185e2c4d8fa5fc433a1d1303af/FLAG3e27f6d98 [2018-09-19 10:14:09,280 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61826debd/d178cf185e2c4d8fa5fc433a1d1303af [2018-09-19 10:14:09,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 10:14:09,298 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 10:14:09,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 10:14:09,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 10:14:09,311 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 10:14:09,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:14:09" (1/1) ... [2018-09-19 10:14:09,317 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 10:14:09, skipping insertion in model container [2018-09-19 10:14:09,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:14:09" (1/1) ... [2018-09-19 10:14:09,331 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 10:14:09,985 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:14:10,010 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 10:14:10,208 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:14:10,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:10 WrapperNode [2018-09-19 10:14:10,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 10:14:10,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 10:14:10,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 10:14:10,301 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 10:14:10,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:10" (1/1) ... [2018-09-19 10:14:10,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:10" (1/1) ... [2018-09-19 10:14:10,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 10:14:10,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 10:14:10,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 10:14:10,485 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 10:14:10,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:10" (1/1) ... [2018-09-19 10:14:10,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:10" (1/1) ... [2018-09-19 10:14:10,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:10" (1/1) ... [2018-09-19 10:14:10,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:10" (1/1) ... [2018-09-19 10:14:10,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:10" (1/1) ... [2018-09-19 10:14:10,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:10" (1/1) ... [2018-09-19 10:14:10,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:10" (1/1) ... [2018-09-19 10:14:10,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 10:14:10,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 10:14:10,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 10:14:10,911 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 10:14:10,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:10" (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 10:14:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 10:14:11,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 10:14:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 10:14:11,002 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 10:14:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 10:14:11,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 10:14:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 10:14:11,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 10:14:15,662 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 10:14:15,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:14:15 BoogieIcfgContainer [2018-09-19 10:14:15,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 10:14:15,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 10:14:15,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 10:14:15,668 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 10:14:15,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 10:14:09" (1/3) ... [2018-09-19 10:14:15,670 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 10:14:15, skipping insertion in model container [2018-09-19 10:14:15,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:10" (2/3) ... [2018-09-19 10:14:15,671 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 10:14:15, skipping insertion in model container [2018-09-19 10:14:15,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:14:15" (3/3) ... [2018-09-19 10:14:15,673 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label38_true-unreach-call.c [2018-09-19 10:14:15,684 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 10:14:15,694 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 10:14:15,754 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 10:14:15,755 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 10:14:15,755 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 10:14:15,755 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 10:14:15,755 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 10:14:15,756 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 10:14:15,756 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 10:14:15,756 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 10:14:15,756 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 10:14:15,787 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-19 10:14:15,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-19 10:14:15,799 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:14:15,800 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:14:15,801 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:14:15,807 INFO L82 PathProgramCache]: Analyzing trace with hash 296004705, now seen corresponding path program 1 times [2018-09-19 10:14:15,810 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:14:15,811 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 68 with the following transitions: [2018-09-19 10:14:15,814 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], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-19 10:14:15,892 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:14:15,892 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:14:19,042 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:14:19,044 INFO L272 AbstractInterpreter]: Visited 66 different actions 66 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-19 10:14:19,060 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:14:20,125 INFO L232 lantSequenceWeakener]: Weakened 65 states. On average, predicates are now at 75.78% of their original sizes. [2018-09-19 10:14:20,125 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:14:20,439 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:14:20,441 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:14:20,441 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 10:14:20,441 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:14:20,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 10:14:20,455 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 10:14:20,456 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:14:20,458 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-19 10:14:27,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:14:27,141 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-19 10:14:27,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 10:14:27,144 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2018-09-19 10:14:27,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:14:27,163 INFO L225 Difference]: With dead ends: 776 [2018-09-19 10:14:27,163 INFO L226 Difference]: Without dead ends: 481 [2018-09-19 10:14:27,172 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 66 GetRequests, 62 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 10:14:27,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-19 10:14:27,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-19 10:14:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-19 10:14:27,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-19 10:14:27,264 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 67 [2018-09-19 10:14:27,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:14:27,264 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-19 10:14:27,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 10:14:27,265 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-19 10:14:27,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-09-19 10:14:27,275 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:14:27,276 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 10:14:27,276 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:14:27,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1080701479, now seen corresponding path program 1 times [2018-09-19 10:14:27,277 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:14:27,277 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-09-19 10:14:27,278 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], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [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 10:14:27,288 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:14:27,288 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:14:33,176 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:14:45,284 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:14:45,284 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 10:14:45,290 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:14:47,358 INFO L232 lantSequenceWeakener]: Weakened 182 states. On average, predicates are now at 74.09% of their original sizes. [2018-09-19 10:14:47,359 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:14:48,291 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:14:48,292 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:14:48,292 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:14:48,292 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:14:48,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:14:48,294 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:14:48,294 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:14:48,294 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 11 states. [2018-09-19 10:15:00,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:15:00,153 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-09-19 10:15:00,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:15:00,156 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 184 [2018-09-19 10:15:00,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:15:00,163 INFO L225 Difference]: With dead ends: 959 [2018-09-19 10:15:00,164 INFO L226 Difference]: Without dead ends: 676 [2018-09-19 10:15:00,169 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 191 GetRequests, 174 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 10:15:00,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-09-19 10:15:00,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-09-19 10:15:00,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-09-19 10:15:00,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-09-19 10:15:00,215 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 184 [2018-09-19 10:15:00,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:15:00,217 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-09-19 10:15:00,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:15:00,217 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-09-19 10:15:00,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-09-19 10:15:00,224 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:15:00,224 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 10:15:00,224 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:15:00,225 INFO L82 PathProgramCache]: Analyzing trace with hash -500975731, now seen corresponding path program 1 times [2018-09-19 10:15:00,225 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:15:00,225 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-09-19 10:15:00,226 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], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [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 10:15:00,233 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:15:00,234 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:15:13,000 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:15:18,997 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:15:18,997 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 10:15:19,002 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:15:20,789 INFO L232 lantSequenceWeakener]: Weakened 192 states. On average, predicates are now at 74.03% of their original sizes. [2018-09-19 10:15:20,790 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:15:21,218 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:15:21,219 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:15:21,219 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:15:21,219 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:15:21,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:15:21,220 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:15:21,220 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:15:21,221 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 11 states. [2018-09-19 10:15:31,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:15:31,675 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-09-19 10:15:31,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:15:31,678 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2018-09-19 10:15:31,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:15:31,684 INFO L225 Difference]: With dead ends: 1153 [2018-09-19 10:15:31,684 INFO L226 Difference]: Without dead ends: 870 [2018-09-19 10:15:31,688 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 201 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-19 10:15:31,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-09-19 10:15:31,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-09-19 10:15:31,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-19 10:15:31,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-09-19 10:15:31,725 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 194 [2018-09-19 10:15:31,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:15:31,726 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-09-19 10:15:31,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:15:31,726 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-09-19 10:15:31,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-09-19 10:15:31,730 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:15:31,730 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 10:15:31,731 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:15:31,731 INFO L82 PathProgramCache]: Analyzing trace with hash 594324741, now seen corresponding path program 1 times [2018-09-19 10:15:31,731 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:15:31,732 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-09-19 10:15:31,732 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], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [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 10:15:31,738 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:15:31,738 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:15:45,594 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:15:52,356 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:15:52,357 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 10:15:52,361 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:15:53,816 INFO L232 lantSequenceWeakener]: Weakened 197 states. On average, predicates are now at 74.07% of their original sizes. [2018-09-19 10:15:53,817 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:15:54,437 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:15:54,438 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:15:54,438 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 10:15:54,438 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:15:54,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 10:15:54,439 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 10:15:54,439 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-09-19 10:15:54,440 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 13 states. [2018-09-19 10:16:12,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:16:12,196 INFO L93 Difference]: Finished difference Result 2024 states and 3287 transitions. [2018-09-19 10:16:12,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-09-19 10:16:12,197 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 199 [2018-09-19 10:16:12,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:16:12,207 INFO L225 Difference]: With dead ends: 2024 [2018-09-19 10:16:12,207 INFO L226 Difference]: Without dead ends: 1741 [2018-09-19 10:16:12,211 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 216 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=185, Invalid=745, Unknown=0, NotChecked=0, Total=930 [2018-09-19 10:16:12,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2018-09-19 10:16:12,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1636. [2018-09-19 10:16:12,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1636 states. [2018-09-19 10:16:12,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2042 transitions. [2018-09-19 10:16:12,281 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2042 transitions. Word has length 199 [2018-09-19 10:16:12,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:16:12,282 INFO L480 AbstractCegarLoop]: Abstraction has 1636 states and 2042 transitions. [2018-09-19 10:16:12,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 10:16:12,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2042 transitions. [2018-09-19 10:16:12,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-09-19 10:16:12,286 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:16:12,286 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 10:16:12,287 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:16:12,287 INFO L82 PathProgramCache]: Analyzing trace with hash -471756326, now seen corresponding path program 1 times [2018-09-19 10:16:12,287 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:16:12,288 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 216 with the following transitions: [2018-09-19 10:16:12,288 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], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [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 10:16:12,303 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:16:12,303 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:16:34,088 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:16:34,089 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 10:16:34,098 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:16:35,562 INFO L232 lantSequenceWeakener]: Weakened 213 states. On average, predicates are now at 73.94% of their original sizes. [2018-09-19 10:16:35,563 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:16:35,957 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:16:35,957 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:16:35,957 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:16:35,957 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:16:35,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:16:35,958 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:16:35,958 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:16:35,959 INFO L87 Difference]: Start difference. First operand 1636 states and 2042 transitions. Second operand 11 states. [2018-09-19 10:16:48,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:16:48,087 INFO L93 Difference]: Finished difference Result 3341 states and 4418 transitions. [2018-09-19 10:16:48,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 10:16:48,091 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 215 [2018-09-19 10:16:48,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:16:48,103 INFO L225 Difference]: With dead ends: 3341 [2018-09-19 10:16:48,104 INFO L226 Difference]: Without dead ends: 2095 [2018-09-19 10:16:48,109 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 223 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2018-09-19 10:16:48,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2018-09-19 10:16:48,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2017. [2018-09-19 10:16:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2017 states. [2018-09-19 10:16:48,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 2017 states and 2472 transitions. [2018-09-19 10:16:48,181 INFO L78 Accepts]: Start accepts. Automaton has 2017 states and 2472 transitions. Word has length 215 [2018-09-19 10:16:48,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:16:48,182 INFO L480 AbstractCegarLoop]: Abstraction has 2017 states and 2472 transitions. [2018-09-19 10:16:48,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:16:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 2472 transitions. [2018-09-19 10:16:48,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-09-19 10:16:48,188 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:16:48,188 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:16:48,189 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:16:48,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1735669, now seen corresponding path program 1 times [2018-09-19 10:16:48,189 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:16:48,190 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-09-19 10:16:48,190 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], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [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 10:16:48,194 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:16:48,194 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:16:54,473 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:17:24,759 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:17:24,760 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 10:17:24,769 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:17:26,781 INFO L232 lantSequenceWeakener]: Weakened 263 states. On average, predicates are now at 73.8% of their original sizes. [2018-09-19 10:17:26,781 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:17:27,499 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:17:27,500 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:17:27,500 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 10:17:27,500 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:17:27,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 10:17:27,501 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 10:17:27,502 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-09-19 10:17:27,502 INFO L87 Difference]: Start difference. First operand 2017 states and 2472 transitions. Second operand 14 states. [2018-09-19 10:17:39,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:17:39,477 INFO L93 Difference]: Finished difference Result 3662 states and 4785 transitions. [2018-09-19 10:17:39,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 10:17:39,477 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 265 [2018-09-19 10:17:39,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:17:39,491 INFO L225 Difference]: With dead ends: 3662 [2018-09-19 10:17:39,491 INFO L226 Difference]: Without dead ends: 2608 [2018-09-19 10:17:39,496 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 274 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2018-09-19 10:17:39,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2608 states. [2018-09-19 10:17:39,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2608 to 2596. [2018-09-19 10:17:39,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2596 states. [2018-09-19 10:17:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2596 states and 3144 transitions. [2018-09-19 10:17:39,584 INFO L78 Accepts]: Start accepts. Automaton has 2596 states and 3144 transitions. Word has length 265 [2018-09-19 10:17:39,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:17:39,585 INFO L480 AbstractCegarLoop]: Abstraction has 2596 states and 3144 transitions. [2018-09-19 10:17:39,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 10:17:39,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2596 states and 3144 transitions. [2018-09-19 10:17:39,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-09-19 10:17:39,592 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:17:39,592 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:17:39,592 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:17:39,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1994891859, now seen corresponding path program 1 times [2018-09-19 10:17:39,593 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:17:39,593 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 270 with the following transitions: [2018-09-19 10:17:39,593 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], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [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 10:17:39,597 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:17:39,597 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:17:45,082 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:18:16,141 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:18:16,142 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 10:18:16,147 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:18:17,917 INFO L232 lantSequenceWeakener]: Weakened 267 states. On average, predicates are now at 73.79% of their original sizes. [2018-09-19 10:18:17,918 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:18:18,805 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:18:18,805 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:18:18,806 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-09-19 10:18:18,806 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:18:18,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-19 10:18:18,807 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-19 10:18:18,807 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2018-09-19 10:18:18,808 INFO L87 Difference]: Start difference. First operand 2596 states and 3144 transitions. Second operand 16 states. Received shutdown request... [2018-09-19 10:18:34,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-09-19 10:18:34,131 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 10:18:34,137 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 10:18:34,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 10:18:34 BoogieIcfgContainer [2018-09-19 10:18:34,138 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 10:18:34,139 INFO L168 Benchmark]: Toolchain (without parser) took 264844.47 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 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 979.2 MB. Max. memory is 7.1 GB. [2018-09-19 10:18:34,141 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 10:18:34,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1000.32 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: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. [2018-09-19 10:18:34,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.83 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-19 10:18:34,143 INFO L168 Benchmark]: Boogie Preprocessor took 425.45 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 801.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -924.4 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2018-09-19 10:18:34,144 INFO L168 Benchmark]: RCFGBuilder took 4752.80 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 172.0 MB). Peak memory consumption was 172.0 MB. Max. memory is 7.1 GB. [2018-09-19 10:18:34,145 INFO L168 Benchmark]: TraceAbstraction took 258473.21 ms. Allocated memory was 2.3 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 3.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 832.7 MB. Max. memory is 7.1 GB. [2018-09-19 10:18:34,150 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 1000.32 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: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 183.83 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 425.45 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 801.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -924.4 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4752.80 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 172.0 MB). Peak memory consumption was 172.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258473.21 ms. Allocated memory was 2.3 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 3.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 832.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 186]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 186). Cancelled while BasicCegarLoop was constructing difference of abstraction (2596states) and FLOYD_HOARE automaton (currently 25 states, 16 states before enhancement), while ReachableStatesComputation was computing reachable states (3444 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 258.3s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 86.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2015 SDtfs, 9207 SDslu, 2823 SDs, 0 SdLazy, 18755 SolverSat, 2012 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 76.3s Time, PredicateUnifierStatistics: 14 DeclaredPredicates, 1455 GetRequests, 1318 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2596occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 155.6s AbstIntTime, 7 AbstIntIterations, 7 AbstIntStrong, 0.9954561899006349 AbsIntWeakeningRatio, 0.11616161616161616 AbsIntAvgWeakeningVarsNumRemoved, 1231.2056277056276 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 210 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_label38_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_10-18-34-168.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label38_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_10-18-34-168.csv Completed graceful shutdown