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/Problem16_label55_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 11:04:28,265 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 11:04:28,268 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 11:04:28,286 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 11:04:28,286 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 11:04:28,287 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 11:04:28,288 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 11:04:28,297 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 11:04:28,299 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 11:04:28,300 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 11:04:28,301 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 11:04:28,302 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 11:04:28,302 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 11:04:28,303 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 11:04:28,304 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 11:04:28,305 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 11:04:28,306 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 11:04:28,308 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 11:04:28,310 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 11:04:28,311 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 11:04:28,312 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 11:04:28,313 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 11:04:28,316 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 11:04:28,316 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 11:04:28,317 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 11:04:28,319 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 11:04:28,320 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 11:04:28,321 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 11:04:28,325 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 11:04:28,326 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 11:04:28,326 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 11:04:28,327 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 11:04:28,327 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 11:04:28,327 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 11:04:28,328 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 11:04:28,329 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 11:04:28,329 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 11:04:28,346 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 11:04:28,346 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 11:04:28,347 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 11:04:28,347 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 11:04:28,348 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 11:04:28,348 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 11:04:28,348 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 11:04:28,348 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 11:04:28,348 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 11:04:28,349 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 11:04:28,349 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 11:04:28,349 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 11:04:28,349 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 11:04:28,350 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 11:04:28,350 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 11:04:28,350 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 11:04:28,350 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 11:04:28,351 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 11:04:28,351 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 11:04:28,351 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 11:04:28,351 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 11:04:28,351 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 11:04:28,352 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 11:04:28,352 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 11:04:28,352 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 11:04:28,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 11:04:28,352 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 11:04:28,353 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 11:04:28,353 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 11:04:28,353 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 11:04:28,353 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 11:04:28,353 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 11:04:28,354 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 11:04:28,354 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 11:04:28,354 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 11:04:28,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 11:04:28,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 11:04:28,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 11:04:28,417 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 11:04:28,417 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 11:04:28,418 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label55_true-unreach-call.c [2018-09-19 11:04:28,776 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df027c450/697d6b285b4f45fabe9e9d37853c0525/FLAGce8d47fe8 [2018-09-19 11:04:29,193 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 11:04:29,196 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label55_true-unreach-call.c [2018-09-19 11:04:29,221 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df027c450/697d6b285b4f45fabe9e9d37853c0525/FLAGce8d47fe8 [2018-09-19 11:04:29,244 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df027c450/697d6b285b4f45fabe9e9d37853c0525 [2018-09-19 11:04:29,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 11:04:29,258 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 11:04:29,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 11:04:29,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 11:04:29,267 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 11:04:29,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:04:29" (1/1) ... [2018-09-19 11:04:29,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a4c6457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:04:29, skipping insertion in model container [2018-09-19 11:04:29,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:04:29" (1/1) ... [2018-09-19 11:04:29,285 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 11:04:30,102 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 11:04:30,124 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 11:04:30,374 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 11:04:30,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:04:30 WrapperNode [2018-09-19 11:04:30,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 11:04:30,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 11:04:30,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 11:04:30,476 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 11:04:30,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:04:30" (1/1) ... [2018-09-19 11:04:30,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:04:30" (1/1) ... [2018-09-19 11:04:30,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 11:04:30,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 11:04:30,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 11:04:30,725 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 11:04:31,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:04:30" (1/1) ... [2018-09-19 11:04:31,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:04:30" (1/1) ... [2018-09-19 11:04:31,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:04:30" (1/1) ... [2018-09-19 11:04:31,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:04:30" (1/1) ... [2018-09-19 11:04:31,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:04:30" (1/1) ... [2018-09-19 11:04:31,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:04:30" (1/1) ... [2018-09-19 11:04:31,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:04:30" (1/1) ... [2018-09-19 11:04:31,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 11:04:31,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 11:04:31,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 11:04:31,269 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 11:04:31,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:04:30" (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 11:04:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 11:04:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 11:04:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-19 11:04:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-19 11:04:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 11:04:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 11:04:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 11:04:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 11:04:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 11:04:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 11:04:38,771 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 11:04:38,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:04:38 BoogieIcfgContainer [2018-09-19 11:04:38,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 11:04:38,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 11:04:38,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 11:04:38,780 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 11:04:38,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 11:04:29" (1/3) ... [2018-09-19 11:04:38,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54716c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 11:04:38, skipping insertion in model container [2018-09-19 11:04:38,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:04:30" (2/3) ... [2018-09-19 11:04:38,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54716c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 11:04:38, skipping insertion in model container [2018-09-19 11:04:38,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:04:38" (3/3) ... [2018-09-19 11:04:38,787 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label55_true-unreach-call.c [2018-09-19 11:04:38,798 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 11:04:38,811 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 11:04:38,884 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 11:04:38,884 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 11:04:38,885 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 11:04:38,885 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 11:04:38,885 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 11:04:38,885 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 11:04:38,885 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 11:04:38,886 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 11:04:38,886 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 11:04:38,917 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-09-19 11:04:38,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-19 11:04:38,927 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 11:04:38,929 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] [2018-09-19 11:04:38,930 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 11:04:38,934 INFO L82 PathProgramCache]: Analyzing trace with hash 886904748, now seen corresponding path program 1 times [2018-09-19 11:04:38,936 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 11:04:38,937 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 65 with the following transitions: [2018-09-19 11:04:38,940 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [1556], [1560], [1566], [1570], [1579], [1580], [1581], [1583] [2018-09-19 11:04:39,007 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 11:04:39,007 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 11:04:40,554 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 11:04:40,556 INFO L272 AbstractInterpreter]: Visited 63 different actions 63 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-19 11:04:40,582 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 11:04:41,268 INFO L232 lantSequenceWeakener]: Weakened 62 states. On average, predicates are now at 80.76% of their original sizes. [2018-09-19 11:04:41,269 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 11:04:41,567 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 11:04:41,568 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 11:04:41,569 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 11:04:41,569 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 11:04:41,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 11:04:41,583 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 11:04:41,584 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 11:04:41,587 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 6 states. [2018-09-19 11:04:50,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 11:04:50,076 INFO L93 Difference]: Finished difference Result 1158 states and 2145 transitions. [2018-09-19 11:04:50,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 11:04:50,080 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-09-19 11:04:50,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 11:04:50,104 INFO L225 Difference]: With dead ends: 1158 [2018-09-19 11:04:50,104 INFO L226 Difference]: Without dead ends: 746 [2018-09-19 11:04:50,114 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 63 GetRequests, 59 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 11:04:50,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2018-09-19 11:04:50,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 744. [2018-09-19 11:04:50,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-09-19 11:04:50,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1075 transitions. [2018-09-19 11:04:50,234 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1075 transitions. Word has length 64 [2018-09-19 11:04:50,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 11:04:50,236 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1075 transitions. [2018-09-19 11:04:50,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 11:04:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1075 transitions. [2018-09-19 11:04:50,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-09-19 11:04:50,250 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 11:04:50,250 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:04:50,250 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 11:04:50,251 INFO L82 PathProgramCache]: Analyzing trace with hash 948196270, now seen corresponding path program 1 times [2018-09-19 11:04:50,251 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 11:04:50,251 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-09-19 11:04:50,252 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-19 11:04:50,260 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 11:04:50,261 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 11:04:52,432 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 11:04:56,136 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 11:04:56,136 INFO L272 AbstractInterpreter]: Visited 99 different actions 284 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 11:04:56,150 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 11:04:57,168 INFO L232 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 78.74% of their original sizes. [2018-09-19 11:04:57,169 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 11:04:57,629 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 11:04:57,630 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 11:04:57,630 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 11:04:57,630 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 11:04:57,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 11:04:57,632 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 11:04:57,632 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 11:04:57,633 INFO L87 Difference]: Start difference. First operand 744 states and 1075 transitions. Second operand 11 states. [2018-09-19 11:05:15,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 11:05:15,551 INFO L93 Difference]: Finished difference Result 1772 states and 3024 transitions. [2018-09-19 11:05:15,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-19 11:05:15,554 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 156 [2018-09-19 11:05:15,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 11:05:15,564 INFO L225 Difference]: With dead ends: 1772 [2018-09-19 11:05:15,564 INFO L226 Difference]: Without dead ends: 1372 [2018-09-19 11:05:15,568 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2018-09-19 11:05:15,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2018-09-19 11:05:15,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1094. [2018-09-19 11:05:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1094 states. [2018-09-19 11:05:15,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1441 transitions. [2018-09-19 11:05:15,610 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1441 transitions. Word has length 156 [2018-09-19 11:05:15,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 11:05:15,611 INFO L480 AbstractCegarLoop]: Abstraction has 1094 states and 1441 transitions. [2018-09-19 11:05:15,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 11:05:15,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1441 transitions. [2018-09-19 11:05:15,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-09-19 11:05:15,617 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 11:05:15,617 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:05:15,617 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 11:05:15,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1708134234, now seen corresponding path program 1 times [2018-09-19 11:05:15,618 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 11:05:15,618 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 193 with the following transitions: [2018-09-19 11:05:15,619 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [904], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-19 11:05:15,625 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 11:05:15,625 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 11:05:18,218 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 11:05:23,531 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 11:05:23,532 INFO L272 AbstractInterpreter]: Visited 135 different actions 392 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 11:05:23,571 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 11:05:25,034 INFO L232 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 78.46% of their original sizes. [2018-09-19 11:05:25,034 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 11:05:25,358 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 11:05:25,358 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 11:05:25,359 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 11:05:25,359 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 11:05:25,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 11:05:25,360 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 11:05:25,360 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 11:05:25,360 INFO L87 Difference]: Start difference. First operand 1094 states and 1441 transitions. Second operand 11 states. [2018-09-19 11:05:40,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 11:05:40,480 INFO L93 Difference]: Finished difference Result 2749 states and 4050 transitions. [2018-09-19 11:05:40,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-19 11:05:40,482 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 192 [2018-09-19 11:05:40,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 11:05:40,492 INFO L225 Difference]: With dead ends: 2749 [2018-09-19 11:05:40,493 INFO L226 Difference]: Without dead ends: 1999 [2018-09-19 11:05:40,496 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-09-19 11:05:40,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2018-09-19 11:05:40,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1450. [2018-09-19 11:05:40,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1450 states. [2018-09-19 11:05:40,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 1815 transitions. [2018-09-19 11:05:40,551 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 1815 transitions. Word has length 192 [2018-09-19 11:05:40,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 11:05:40,551 INFO L480 AbstractCegarLoop]: Abstraction has 1450 states and 1815 transitions. [2018-09-19 11:05:40,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 11:05:40,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 1815 transitions. [2018-09-19 11:05:40,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-09-19 11:05:40,558 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 11:05:40,558 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:05:40,558 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 11:05:40,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1079118534, now seen corresponding path program 1 times [2018-09-19 11:05:40,559 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 11:05:40,559 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 305 with the following transitions: [2018-09-19 11:05:40,560 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-19 11:05:40,570 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 11:05:40,570 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 11:05:52,354 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 11:05:52,355 INFO L272 AbstractInterpreter]: Visited 247 different actions 488 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 11:05:52,359 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 11:05:53,601 INFO L232 lantSequenceWeakener]: Weakened 302 states. On average, predicates are now at 78.02% of their original sizes. [2018-09-19 11:05:53,602 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 11:05:53,984 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 11:05:53,984 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 11:05:53,985 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 11:05:53,985 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 11:05:53,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 11:05:53,986 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 11:05:53,986 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-19 11:05:53,986 INFO L87 Difference]: Start difference. First operand 1450 states and 1815 transitions. Second operand 13 states. [2018-09-19 11:06:02,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 11:06:02,711 INFO L93 Difference]: Finished difference Result 2897 states and 3954 transitions. [2018-09-19 11:06:02,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-19 11:06:02,713 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 304 [2018-09-19 11:06:02,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 11:06:02,724 INFO L225 Difference]: With dead ends: 2897 [2018-09-19 11:06:02,724 INFO L226 Difference]: Without dead ends: 1793 [2018-09-19 11:06:02,728 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 314 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=127, Invalid=425, Unknown=0, NotChecked=0, Total=552 [2018-09-19 11:06:02,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2018-09-19 11:06:02,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1790. [2018-09-19 11:06:02,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1790 states. [2018-09-19 11:06:02,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1790 states and 2172 transitions. [2018-09-19 11:06:02,785 INFO L78 Accepts]: Start accepts. Automaton has 1790 states and 2172 transitions. Word has length 304 [2018-09-19 11:06:02,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 11:06:02,786 INFO L480 AbstractCegarLoop]: Abstraction has 1790 states and 2172 transitions. [2018-09-19 11:06:02,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 11:06:02,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 2172 transitions. [2018-09-19 11:06:02,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-09-19 11:06:02,792 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 11:06:02,793 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:06:02,793 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 11:06:02,794 INFO L82 PathProgramCache]: Analyzing trace with hash 424735030, now seen corresponding path program 1 times [2018-09-19 11:06:02,794 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 11:06:02,794 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 313 with the following transitions: [2018-09-19 11:06:02,795 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-19 11:06:02,804 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 11:06:02,804 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 11:06:19,218 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 11:06:19,219 INFO L272 AbstractInterpreter]: Visited 255 different actions 752 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 11:06:19,228 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 11:06:20,534 INFO L232 lantSequenceWeakener]: Weakened 310 states. On average, predicates are now at 78% of their original sizes. [2018-09-19 11:06:20,535 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 11:06:20,969 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 11:06:20,970 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 11:06:20,970 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 11:06:20,970 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 11:06:20,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 11:06:20,971 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 11:06:20,971 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 11:06:20,971 INFO L87 Difference]: Start difference. First operand 1790 states and 2172 transitions. Second operand 14 states. [2018-09-19 11:06:35,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 11:06:35,972 INFO L93 Difference]: Finished difference Result 3242 states and 4318 transitions. [2018-09-19 11:06:35,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 11:06:35,974 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 312 [2018-09-19 11:06:35,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 11:06:35,983 INFO L225 Difference]: With dead ends: 3242 [2018-09-19 11:06:35,984 INFO L226 Difference]: Without dead ends: 2138 [2018-09-19 11:06:35,987 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 324 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2018-09-19 11:06:35,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2018-09-19 11:06:36,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 2132. [2018-09-19 11:06:36,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2018-09-19 11:06:36,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2533 transitions. [2018-09-19 11:06:36,044 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2533 transitions. Word has length 312 [2018-09-19 11:06:36,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 11:06:36,045 INFO L480 AbstractCegarLoop]: Abstraction has 2132 states and 2533 transitions. [2018-09-19 11:06:36,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 11:06:36,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2533 transitions. [2018-09-19 11:06:36,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2018-09-19 11:06:36,054 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 11:06:36,054 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 11:06:36,054 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 11:06:36,055 INFO L82 PathProgramCache]: Analyzing trace with hash 446778056, now seen corresponding path program 1 times [2018-09-19 11:06:36,055 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 11:06:36,055 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 397 with the following transitions: [2018-09-19 11:06:36,056 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-19 11:06:36,061 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 11:06:36,061 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 11:06:37,567 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 11:06:58,573 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 11:06:58,573 INFO L272 AbstractInterpreter]: Visited 248 different actions 983 times. Merged at 7 different actions 24 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 11:06:58,581 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 11:07:00,612 INFO L232 lantSequenceWeakener]: Weakened 394 states. On average, predicates are now at 77.87% of their original sizes. [2018-09-19 11:07:00,612 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 11:07:00,982 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 11:07:00,982 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 11:07:00,982 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 11:07:00,982 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 11:07:00,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 11:07:00,983 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 11:07:00,984 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 11:07:00,984 INFO L87 Difference]: Start difference. First operand 2132 states and 2533 transitions. Second operand 11 states. [2018-09-19 11:07:13,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 11:07:13,034 INFO L93 Difference]: Finished difference Result 4495 states and 5901 transitions. [2018-09-19 11:07:13,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-19 11:07:13,035 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 396 [2018-09-19 11:07:13,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 11:07:13,051 INFO L225 Difference]: With dead ends: 4495 [2018-09-19 11:07:13,052 INFO L226 Difference]: Without dead ends: 3049 [2018-09-19 11:07:13,058 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 406 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2018-09-19 11:07:13,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3049 states. [2018-09-19 11:07:13,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3049 to 2489. [2018-09-19 11:07:13,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2489 states. [2018-09-19 11:07:13,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 2489 states and 2917 transitions. [2018-09-19 11:07:13,136 INFO L78 Accepts]: Start accepts. Automaton has 2489 states and 2917 transitions. Word has length 396 [2018-09-19 11:07:13,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 11:07:13,137 INFO L480 AbstractCegarLoop]: Abstraction has 2489 states and 2917 transitions. [2018-09-19 11:07:13,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 11:07:13,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 2917 transitions. [2018-09-19 11:07:13,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-09-19 11:07:13,147 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 11:07:13,147 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 11:07:13,148 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 11:07:13,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1596477261, now seen corresponding path program 1 times [2018-09-19 11:07:13,148 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 11:07:13,149 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 414 with the following transitions: [2018-09-19 11:07:13,149 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-19 11:07:13,156 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 11:07:13,156 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 11:07:21,074 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 11:07:37,212 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 11:07:37,212 INFO L272 AbstractInterpreter]: Visited 256 different actions 1013 times. Merged at 7 different actions 22 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 11:07:37,214 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 11:07:38,900 INFO L232 lantSequenceWeakener]: Weakened 411 states. On average, predicates are now at 77.84% of their original sizes. [2018-09-19 11:07:38,900 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 11:07:39,268 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 11:07:39,268 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 11:07:39,269 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 11:07:39,269 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 11:07:39,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 11:07:39,270 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 11:07:39,270 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-19 11:07:39,270 INFO L87 Difference]: Start difference. First operand 2489 states and 2917 transitions. Second operand 13 states. [2018-09-19 11:07:48,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 11:07:48,896 INFO L93 Difference]: Finished difference Result 4647 states and 5816 transitions. [2018-09-19 11:07:48,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-19 11:07:48,896 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 413 [2018-09-19 11:07:48,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 11:07:48,908 INFO L225 Difference]: With dead ends: 4647 [2018-09-19 11:07:48,908 INFO L226 Difference]: Without dead ends: 2844 [2018-09-19 11:07:48,914 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 423 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=131, Invalid=421, Unknown=0, NotChecked=0, Total=552 [2018-09-19 11:07:48,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2018-09-19 11:07:48,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2833. [2018-09-19 11:07:48,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2833 states. [2018-09-19 11:07:48,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2833 states and 3297 transitions. [2018-09-19 11:07:48,984 INFO L78 Accepts]: Start accepts. Automaton has 2833 states and 3297 transitions. Word has length 413 [2018-09-19 11:07:48,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 11:07:48,985 INFO L480 AbstractCegarLoop]: Abstraction has 2833 states and 3297 transitions. [2018-09-19 11:07:48,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 11:07:48,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2833 states and 3297 transitions. [2018-09-19 11:07:48,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2018-09-19 11:07:48,991 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 11:07:48,991 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 11:07:48,992 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 11:07:48,992 INFO L82 PathProgramCache]: Analyzing trace with hash -356067392, now seen corresponding path program 1 times [2018-09-19 11:07:48,992 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 11:07:48,992 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 433 with the following transitions: [2018-09-19 11:07:48,993 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [904], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-19 11:07:48,998 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 11:07:48,998 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 11:07:51,330 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 11:08:11,627 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 11:08:11,627 INFO L272 AbstractInterpreter]: Visited 248 different actions 983 times. Merged at 7 different actions 24 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 11:08:11,632 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 11:08:13,199 INFO L232 lantSequenceWeakener]: Weakened 430 states. On average, predicates are now at 77.82% of their original sizes. [2018-09-19 11:08:13,199 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 11:08:13,485 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 11:08:13,485 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 11:08:13,486 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 11:08:13,486 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 11:08:13,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 11:08:13,487 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 11:08:13,487 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 11:08:13,487 INFO L87 Difference]: Start difference. First operand 2833 states and 3297 transitions. Second operand 11 states. [2018-09-19 11:08:29,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 11:08:29,145 INFO L93 Difference]: Finished difference Result 6453 states and 8031 transitions. [2018-09-19 11:08:29,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-19 11:08:29,147 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 432 [2018-09-19 11:08:29,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 11:08:29,164 INFO L225 Difference]: With dead ends: 6453 [2018-09-19 11:08:29,164 INFO L226 Difference]: Without dead ends: 4306 [2018-09-19 11:08:29,170 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 442 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2018-09-19 11:08:29,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4306 states. [2018-09-19 11:08:29,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4306 to 3188. [2018-09-19 11:08:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3188 states. [2018-09-19 11:08:29,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3188 states to 3188 states and 3680 transitions. [2018-09-19 11:08:29,274 INFO L78 Accepts]: Start accepts. Automaton has 3188 states and 3680 transitions. Word has length 432 [2018-09-19 11:08:29,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 11:08:29,275 INFO L480 AbstractCegarLoop]: Abstraction has 3188 states and 3680 transitions. [2018-09-19 11:08:29,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 11:08:29,275 INFO L276 IsEmpty]: Start isEmpty. Operand 3188 states and 3680 transitions. [2018-09-19 11:08:29,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2018-09-19 11:08:29,282 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 11:08:29,283 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 11:08:29,283 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 11:08:29,283 INFO L82 PathProgramCache]: Analyzing trace with hash -672325420, now seen corresponding path program 1 times [2018-09-19 11:08:29,283 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 11:08:29,284 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 471 with the following transitions: [2018-09-19 11:08:29,284 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1024], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-19 11:08:29,290 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 11:08:29,290 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 11:08:37,629 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 11:08:47,268 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 11:08:47,268 INFO L272 AbstractInterpreter]: Visited 256 different actions 762 times. Merged at 7 different actions 16 times. Never widened. Found 3 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 11:08:47,279 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-19 11:08:49,314 INFO L232 lantSequenceWeakener]: Weakened 468 states. On average, predicates are now at 77.77% of their original sizes. [2018-09-19 11:08:49,314 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 11:08:49,325 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 11:08:49,331 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 11:08:49,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 11:08:49 BoogieIcfgContainer [2018-09-19 11:08:49,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 11:08:49,333 INFO L168 Benchmark]: Toolchain (without parser) took 260077.41 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 3.8 GB in the end (delta: -2.4 GB). Peak memory consumption was 233.3 MB. Max. memory is 7.1 GB. [2018-09-19 11:08:49,335 INFO L168 Benchmark]: CDTParser took 0.21 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 11:08:49,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1215.58 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: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-09-19 11:08:49,336 INFO L168 Benchmark]: Boogie Procedure Inliner took 248.69 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 11:08:49,337 INFO L168 Benchmark]: Boogie Preprocessor took 542.62 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 805.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -953.9 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. [2018-09-19 11:08:49,338 INFO L168 Benchmark]: RCFGBuilder took 7504.28 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 255.7 MB). Peak memory consumption was 255.7 MB. Max. memory is 7.1 GB. [2018-09-19 11:08:49,339 INFO L168 Benchmark]: TraceAbstraction took 250558.23 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2018-09-19 11:08:49,344 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1215.58 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: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 248.69 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 542.62 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 805.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -953.9 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7504.28 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 255.7 MB). Peak memory consumption was 255.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 250558.23 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 178]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 178). Cancelled while BasicCegarLoop was analyzing trace of length 471 with TraceHistMax 3, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 250.4s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 102.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3183 SDtfs, 16458 SDslu, 2381 SDs, 0 SdLazy, 29691 SolverSat, 4145 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 90.9s Time, PredicateUnifierStatistics: 16 DeclaredPredicates, 2336 GetRequests, 2187 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 579 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3188occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 130.9s AbstIntTime, 9 AbstIntIterations, 9 AbstIntStrong, 0.9966707205837647 AbsIntWeakeningRatio, 0.07252747252747253 AbsIntAvgWeakeningVarsNumRemoved, 906.6626373626374 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 2527 StatesRemovedByMinimization, 8 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/Problem16_label55_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_11-08-49-359.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem16_label55_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_11-08-49-359.csv Completed graceful shutdown