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/Problem14_label33_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 10:42:41,576 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 10:42:41,579 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 10:42:41,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 10:42:41,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 10:42:41,594 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 10:42:41,595 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 10:42:41,597 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 10:42:41,599 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 10:42:41,599 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 10:42:41,600 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 10:42:41,601 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 10:42:41,602 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 10:42:41,603 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 10:42:41,604 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 10:42:41,605 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 10:42:41,606 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 10:42:41,608 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 10:42:41,609 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 10:42:41,611 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 10:42:41,612 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 10:42:41,613 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 10:42:41,616 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 10:42:41,616 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 10:42:41,616 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 10:42:41,617 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 10:42:41,618 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 10:42:41,619 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 10:42:41,620 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 10:42:41,621 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 10:42:41,621 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 10:42:41,622 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 10:42:41,625 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 10:42:41,641 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 10:42:41,642 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 10:42:41,645 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 10:42:41,645 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 10:42:41,645 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 10:42:41,645 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 10:42:41,646 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 10:42:41,646 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 10:42:41,646 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 10:42:41,646 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 10:42:41,646 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 10:42:41,647 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 10:42:41,647 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 10:42:41,648 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 10:42:41,648 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 10:42:41,648 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 10:42:41,649 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 10:42:41,649 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 10:42:41,649 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 10:42:41,650 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 10:42:41,650 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 10:42:41,650 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 10:42:41,650 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 10:42:41,651 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 10:42:41,651 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 10:42:41,651 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 10:42:41,651 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 10:42:41,652 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 10:42:41,652 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 10:42:41,652 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 10:42:41,652 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 10:42:41,653 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 10:42:41,653 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 10:42:41,653 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 10:42:41,653 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 10:42:41,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 10:42:41,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 10:42:41,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 10:42:41,759 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 10:42:41,759 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 10:42:41,760 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c [2018-09-19 10:42:42,108 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfd7a0065/634c22ae7ebf4b3c8fc45dfc0968330a/FLAGedfe98b87 [2018-09-19 10:42:42,390 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 10:42:42,391 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c [2018-09-19 10:42:42,420 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfd7a0065/634c22ae7ebf4b3c8fc45dfc0968330a/FLAGedfe98b87 [2018-09-19 10:42:42,441 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfd7a0065/634c22ae7ebf4b3c8fc45dfc0968330a [2018-09-19 10:42:42,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 10:42:42,457 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 10:42:42,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 10:42:42,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 10:42:42,467 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 10:42:42,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:42:42" (1/1) ... [2018-09-19 10:42:42,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b1759e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:42:42, skipping insertion in model container [2018-09-19 10:42:42,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:42:42" (1/1) ... [2018-09-19 10:42:42,485 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 10:42:43,029 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:42:43,049 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 10:42:43,334 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:42:43,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:42:43 WrapperNode [2018-09-19 10:42:43,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 10:42:43,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 10:42:43,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 10:42:43,400 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 10:42:43,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:42:43" (1/1) ... [2018-09-19 10:42:43,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:42:43" (1/1) ... [2018-09-19 10:42:43,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 10:42:43,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 10:42:43,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 10:42:43,556 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 10:42:43,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:42:43" (1/1) ... [2018-09-19 10:42:43,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:42:43" (1/1) ... [2018-09-19 10:42:43,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:42:43" (1/1) ... [2018-09-19 10:42:43,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:42:43" (1/1) ... [2018-09-19 10:42:43,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:42:43" (1/1) ... [2018-09-19 10:42:43,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:42:43" (1/1) ... [2018-09-19 10:42:43,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:42:43" (1/1) ... [2018-09-19 10:42:43,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 10:42:43,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 10:42:43,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 10:42:43,829 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 10:42:43,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:42:43" (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 10:42:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 10:42:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 10:42:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 10:42:43,915 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 10:42:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 10:42:43,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 10:42:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 10:42:43,916 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 10:42:47,693 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 10:42:47,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:42:47 BoogieIcfgContainer [2018-09-19 10:42:47,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 10:42:47,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 10:42:47,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 10:42:47,700 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 10:42:47,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 10:42:42" (1/3) ... [2018-09-19 10:42:47,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300beb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:42:47, skipping insertion in model container [2018-09-19 10:42:47,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:42:43" (2/3) ... [2018-09-19 10:42:47,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300beb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:42:47, skipping insertion in model container [2018-09-19 10:42:47,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:42:47" (3/3) ... [2018-09-19 10:42:47,705 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label33_true-unreach-call_false-termination.c [2018-09-19 10:42:47,716 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 10:42:47,729 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 10:42:47,788 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 10:42:47,789 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 10:42:47,789 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 10:42:47,789 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 10:42:47,789 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 10:42:47,789 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 10:42:47,790 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 10:42:47,790 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 10:42:47,790 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 10:42:47,819 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-09-19 10:42:47,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-19 10:42:47,828 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:42:47,829 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] [2018-09-19 10:42:47,831 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:42:47,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1913036537, now seen corresponding path program 1 times [2018-09-19 10:42:47,838 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:42:47,838 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 66 with the following transitions: [2018-09-19 10:42:47,841 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], [421], [423], [952], [956], [962], [966], [973], [974], [975], [977] [2018-09-19 10:42:47,904 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:42:47,904 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:42:49,399 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:42:49,401 INFO L272 AbstractInterpreter]: Visited 64 different actions 64 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-19 10:42:49,418 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:42:50,151 INFO L232 lantSequenceWeakener]: Weakened 63 states. On average, predicates are now at 80.78% of their original sizes. [2018-09-19 10:42:50,152 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:42:50,453 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:42:50,455 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:42:50,455 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 10:42:50,455 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:42:50,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 10:42:50,470 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 10:42:50,471 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:42:50,473 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 6 states. [2018-09-19 10:42:54,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:42:54,856 INFO L93 Difference]: Finished difference Result 693 states and 1229 transitions. [2018-09-19 10:42:54,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 10:42:54,860 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-09-19 10:42:54,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:42:54,883 INFO L225 Difference]: With dead ends: 693 [2018-09-19 10:42:54,883 INFO L226 Difference]: Without dead ends: 436 [2018-09-19 10:42:54,892 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 64 GetRequests, 60 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 10:42:54,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2018-09-19 10:42:54,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 434. [2018-09-19 10:42:54,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-09-19 10:42:54,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 615 transitions. [2018-09-19 10:42:54,979 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 615 transitions. Word has length 65 [2018-09-19 10:42:54,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:42:54,980 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 615 transitions. [2018-09-19 10:42:54,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 10:42:54,981 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 615 transitions. [2018-09-19 10:42:54,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-09-19 10:42:54,990 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:42:54,991 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:42:54,991 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:42:54,992 INFO L82 PathProgramCache]: Analyzing trace with hash 389741643, now seen corresponding path program 1 times [2018-09-19 10:42:54,992 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:42:54,992 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-09-19 10:42:54,993 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], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:42:55,000 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:42:55,000 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:42:59,266 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:42:59,266 INFO L272 AbstractInterpreter]: Visited 92 different actions 177 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 10:42:59,274 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:43:00,254 INFO L232 lantSequenceWeakener]: Weakened 148 states. On average, predicates are now at 78.83% of their original sizes. [2018-09-19 10:43:00,254 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:43:01,090 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:43:01,091 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:43:01,091 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 10:43:01,091 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:43:01,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 10:43:01,093 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 10:43:01,093 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 10:43:01,093 INFO L87 Difference]: Start difference. First operand 434 states and 615 transitions. Second operand 14 states. [2018-09-19 10:43:12,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:43:12,675 INFO L93 Difference]: Finished difference Result 1340 states and 2335 transitions. [2018-09-19 10:43:12,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-19 10:43:12,676 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 150 [2018-09-19 10:43:12,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:43:12,690 INFO L225 Difference]: With dead ends: 1340 [2018-09-19 10:43:12,690 INFO L226 Difference]: Without dead ends: 1095 [2018-09-19 10:43:12,694 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 162 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2018-09-19 10:43:12,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2018-09-19 10:43:12,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 850. [2018-09-19 10:43:12,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2018-09-19 10:43:12,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1058 transitions. [2018-09-19 10:43:12,815 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1058 transitions. Word has length 150 [2018-09-19 10:43:12,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:43:12,816 INFO L480 AbstractCegarLoop]: Abstraction has 850 states and 1058 transitions. [2018-09-19 10:43:12,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 10:43:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1058 transitions. [2018-09-19 10:43:12,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-09-19 10:43:12,823 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:43:12,823 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:43:12,823 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:43:12,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1409668127, now seen corresponding path program 1 times [2018-09-19 10:43:12,824 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:43:12,824 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-09-19 10:43:12,825 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], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:43:12,830 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:43:12,831 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:43:17,717 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:43:17,718 INFO L272 AbstractInterpreter]: Visited 118 different actions 230 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 10:43:17,723 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:43:18,679 INFO L232 lantSequenceWeakener]: Weakened 174 states. On average, predicates are now at 78.59% of their original sizes. [2018-09-19 10:43:18,679 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:43:19,343 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:43:19,343 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:43:19,344 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:43:19,344 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:43:19,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:43:19,345 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:43:19,345 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:43:19,346 INFO L87 Difference]: Start difference. First operand 850 states and 1058 transitions. Second operand 11 states. [2018-09-19 10:43:26,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:43:26,515 INFO L93 Difference]: Finished difference Result 1283 states and 1842 transitions. [2018-09-19 10:43:26,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:43:26,526 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 176 [2018-09-19 10:43:26,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:43:26,534 INFO L225 Difference]: With dead ends: 1283 [2018-09-19 10:43:26,534 INFO L226 Difference]: Without dead ends: 1038 [2018-09-19 10:43:26,536 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 183 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-19 10:43:26,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2018-09-19 10:43:26,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1035. [2018-09-19 10:43:26,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2018-09-19 10:43:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1256 transitions. [2018-09-19 10:43:26,579 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1256 transitions. Word has length 176 [2018-09-19 10:43:26,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:43:26,580 INFO L480 AbstractCegarLoop]: Abstraction has 1035 states and 1256 transitions. [2018-09-19 10:43:26,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:43:26,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1256 transitions. [2018-09-19 10:43:26,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-09-19 10:43:26,589 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:43:26,589 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, 2, 2, 2, 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] [2018-09-19 10:43:26,590 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:43:26,590 INFO L82 PathProgramCache]: Analyzing trace with hash 2070757517, now seen corresponding path program 1 times [2018-09-19 10:43:26,590 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:43:26,591 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 262 with the following transitions: [2018-09-19 10:43:26,591 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:43:26,596 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:43:26,596 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:43:33,371 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:43:33,371 INFO L272 AbstractInterpreter]: Visited 119 different actions 352 times. Merged at 7 different actions 17 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:43:33,376 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:43:34,478 INFO L232 lantSequenceWeakener]: Weakened 259 states. On average, predicates are now at 78.2% of their original sizes. [2018-09-19 10:43:34,478 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:43:35,021 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:43:35,022 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:43:35,022 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-09-19 10:43:35,022 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:43:35,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-19 10:43:35,024 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-19 10:43:35,024 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2018-09-19 10:43:35,025 INFO L87 Difference]: Start difference. First operand 1035 states and 1256 transitions. Second operand 16 states. [2018-09-19 10:43:47,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:43:47,468 INFO L93 Difference]: Finished difference Result 2673 states and 3868 transitions. [2018-09-19 10:43:47,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-09-19 10:43:47,469 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 261 [2018-09-19 10:43:47,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:43:47,484 INFO L225 Difference]: With dead ends: 2673 [2018-09-19 10:43:47,484 INFO L226 Difference]: Without dead ends: 2012 [2018-09-19 10:43:47,489 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 279 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=260, Invalid=930, Unknown=0, NotChecked=0, Total=1190 [2018-09-19 10:43:47,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2012 states. [2018-09-19 10:43:47,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2012 to 1652. [2018-09-19 10:43:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1652 states. [2018-09-19 10:43:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 1949 transitions. [2018-09-19 10:43:47,550 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 1949 transitions. Word has length 261 [2018-09-19 10:43:47,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:43:47,551 INFO L480 AbstractCegarLoop]: Abstraction has 1652 states and 1949 transitions. [2018-09-19 10:43:47,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-09-19 10:43:47,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1949 transitions. [2018-09-19 10:43:47,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-09-19 10:43:47,559 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:43:47,559 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 10:43:47,559 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:43:47,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1170044150, now seen corresponding path program 1 times [2018-09-19 10:43:47,560 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:43:47,560 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 287 with the following transitions: [2018-09-19 10:43:47,561 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], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:43:47,577 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:43:47,577 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:43:53,002 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:44:01,294 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:44:01,295 INFO L272 AbstractInterpreter]: Visited 119 different actions 465 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 10:44:01,321 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:44:03,013 INFO L232 lantSequenceWeakener]: Weakened 284 states. On average, predicates are now at 78.12% of their original sizes. [2018-09-19 10:44:03,013 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:44:03,239 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:44:03,239 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:44:03,239 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:44:03,239 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:44:03,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:44:03,240 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:44:03,240 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:44:03,240 INFO L87 Difference]: Start difference. First operand 1652 states and 1949 transitions. Second operand 10 states. [2018-09-19 10:44:09,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:44:09,037 INFO L93 Difference]: Finished difference Result 2091 states and 2739 transitions. [2018-09-19 10:44:09,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 10:44:09,038 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 286 [2018-09-19 10:44:09,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:44:09,048 INFO L225 Difference]: With dead ends: 2091 [2018-09-19 10:44:09,048 INFO L226 Difference]: Without dead ends: 1846 [2018-09-19 10:44:09,051 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 293 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 10:44:09,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2018-09-19 10:44:09,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1839. [2018-09-19 10:44:09,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1839 states. [2018-09-19 10:44:09,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 2167 transitions. [2018-09-19 10:44:09,106 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 2167 transitions. Word has length 286 [2018-09-19 10:44:09,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:44:09,107 INFO L480 AbstractCegarLoop]: Abstraction has 1839 states and 2167 transitions. [2018-09-19 10:44:09,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 10:44:09,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2167 transitions. [2018-09-19 10:44:09,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-09-19 10:44:09,116 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:44:09,116 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:44:09,117 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:44:09,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1608893557, now seen corresponding path program 1 times [2018-09-19 10:44:09,117 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:44:09,117 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 365 with the following transitions: [2018-09-19 10:44:09,118 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], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:44:09,121 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:44:09,121 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:44:13,475 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:44:28,191 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:44:28,191 INFO L272 AbstractInterpreter]: Visited 120 different actions 709 times. Merged at 8 different actions 44 times. Widened at 1 different actions 1 times. Found 10 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:44:28,202 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:44:29,800 INFO L232 lantSequenceWeakener]: Weakened 362 states. On average, predicates are now at 77.96% of their original sizes. [2018-09-19 10:44:29,800 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:44:30,202 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:44:30,203 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:44:30,203 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 10:44:30,203 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:44:30,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 10:44:30,204 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 10:44:30,205 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-09-19 10:44:30,205 INFO L87 Difference]: Start difference. First operand 1839 states and 2167 transitions. Second operand 14 states. [2018-09-19 10:44:39,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:44:39,036 INFO L93 Difference]: Finished difference Result 2871 states and 3949 transitions. [2018-09-19 10:44:39,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-09-19 10:44:39,037 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 364 [2018-09-19 10:44:39,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:44:39,050 INFO L225 Difference]: With dead ends: 2871 [2018-09-19 10:44:39,051 INFO L226 Difference]: Without dead ends: 2439 [2018-09-19 10:44:39,055 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 383 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=228, Invalid=894, Unknown=0, NotChecked=0, Total=1122 [2018-09-19 10:44:39,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2439 states. [2018-09-19 10:44:39,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2439 to 2046. [2018-09-19 10:44:39,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2046 states. [2018-09-19 10:44:39,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 2046 states and 2424 transitions. [2018-09-19 10:44:39,131 INFO L78 Accepts]: Start accepts. Automaton has 2046 states and 2424 transitions. Word has length 364 [2018-09-19 10:44:39,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:44:39,133 INFO L480 AbstractCegarLoop]: Abstraction has 2046 states and 2424 transitions. [2018-09-19 10:44:39,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 10:44:39,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 2424 transitions. [2018-09-19 10:44:39,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-09-19 10:44:39,144 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:44:39,144 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:44:39,144 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:44:39,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1540752195, now seen corresponding path program 1 times [2018-09-19 10:44:39,145 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:44:39,145 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 369 with the following transitions: [2018-09-19 10:44:39,145 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], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [542], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:44:39,148 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:44:39,149 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:44:43,421 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:45:02,382 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:45:02,382 INFO L272 AbstractInterpreter]: Visited 120 different actions 945 times. Merged at 8 different actions 62 times. Widened at 1 different actions 3 times. Found 14 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:45:02,387 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:45:03,763 INFO L232 lantSequenceWeakener]: Weakened 366 states. On average, predicates are now at 77.95% of their original sizes. [2018-09-19 10:45:03,764 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:45:03,980 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:45:03,980 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:45:03,980 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:45:03,980 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:45:03,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:45:03,981 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:45:03,982 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:45:03,982 INFO L87 Difference]: Start difference. First operand 2046 states and 2424 transitions. Second operand 10 states. [2018-09-19 10:45:09,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:45:09,309 INFO L93 Difference]: Finished difference Result 2880 states and 3695 transitions. [2018-09-19 10:45:09,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 10:45:09,311 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 368 [2018-09-19 10:45:09,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:45:09,322 INFO L225 Difference]: With dead ends: 2880 [2018-09-19 10:45:09,322 INFO L226 Difference]: Without dead ends: 2241 [2018-09-19 10:45:09,325 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 375 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 10:45:09,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2018-09-19 10:45:09,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 2231. [2018-09-19 10:45:09,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2018-09-19 10:45:09,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2642 transitions. [2018-09-19 10:45:09,389 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2642 transitions. Word has length 368 [2018-09-19 10:45:09,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:45:09,390 INFO L480 AbstractCegarLoop]: Abstraction has 2231 states and 2642 transitions. [2018-09-19 10:45:09,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 10:45:09,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2642 transitions. [2018-09-19 10:45:09,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-09-19 10:45:09,397 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:45:09,398 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:45:09,398 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:45:09,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1006524834, now seen corresponding path program 1 times [2018-09-19 10:45:09,398 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:45:09,399 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 390 with the following transitions: [2018-09-19 10:45:09,399 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], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [626], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:45:09,402 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:45:09,402 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:45:13,950 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:45:28,621 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:45:28,621 INFO L272 AbstractInterpreter]: Visited 120 different actions 709 times. Merged at 8 different actions 44 times. Widened at 1 different actions 1 times. Found 10 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:45:28,630 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:45:30,275 INFO L232 lantSequenceWeakener]: Weakened 387 states. On average, predicates are now at 77.91% of their original sizes. [2018-09-19 10:45:30,276 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:45:30,687 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:45:30,688 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:45:30,688 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 10:45:30,688 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:45:30,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 10:45:30,689 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 10:45:30,690 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-09-19 10:45:30,690 INFO L87 Difference]: Start difference. First operand 2231 states and 2642 transitions. Second operand 14 states. [2018-09-19 10:45:40,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:45:40,117 INFO L93 Difference]: Finished difference Result 3661 states and 4914 transitions. [2018-09-19 10:45:40,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-09-19 10:45:40,117 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 389 [2018-09-19 10:45:40,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:45:40,130 INFO L225 Difference]: With dead ends: 3661 [2018-09-19 10:45:40,131 INFO L226 Difference]: Without dead ends: 2837 [2018-09-19 10:45:40,136 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 408 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=228, Invalid=894, Unknown=0, NotChecked=0, Total=1122 [2018-09-19 10:45:40,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2837 states. [2018-09-19 10:45:40,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2837 to 2442. [2018-09-19 10:45:40,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2442 states. [2018-09-19 10:45:40,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 2442 states and 2905 transitions. [2018-09-19 10:45:40,221 INFO L78 Accepts]: Start accepts. Automaton has 2442 states and 2905 transitions. Word has length 389 [2018-09-19 10:45:40,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:45:40,222 INFO L480 AbstractCegarLoop]: Abstraction has 2442 states and 2905 transitions. [2018-09-19 10:45:40,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 10:45:40,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2442 states and 2905 transitions. [2018-09-19 10:45:40,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2018-09-19 10:45:40,233 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:45:40,233 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:45:40,233 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:45:40,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1129118056, now seen corresponding path program 1 times [2018-09-19 10:45:40,234 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:45:40,234 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 447 with the following transitions: [2018-09-19 10:45:40,235 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], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [542], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:45:40,238 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:45:40,238 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:45:45,062 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:46:12,714 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:46:12,715 INFO L272 AbstractInterpreter]: Visited 121 different actions 1206 times. Merged at 9 different actions 95 times. Widened at 1 different actions 5 times. Found 26 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:46:12,726 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:46:14,430 INFO L232 lantSequenceWeakener]: Weakened 444 states. On average, predicates are now at 77.85% of their original sizes. [2018-09-19 10:46:14,431 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:46:14,847 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:46:14,847 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:46:14,848 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 10:46:14,848 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:46:14,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 10:46:14,849 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 10:46:14,849 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-09-19 10:46:14,849 INFO L87 Difference]: Start difference. First operand 2442 states and 2905 transitions. Second operand 14 states. [2018-09-19 10:46:23,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:46:23,660 INFO L93 Difference]: Finished difference Result 4083 states and 5187 transitions. [2018-09-19 10:46:23,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-09-19 10:46:23,661 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 446 [2018-09-19 10:46:23,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:46:23,675 INFO L225 Difference]: With dead ends: 4083 [2018-09-19 10:46:23,675 INFO L226 Difference]: Without dead ends: 3048 [2018-09-19 10:46:23,679 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 465 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=228, Invalid=894, Unknown=0, NotChecked=0, Total=1122 [2018-09-19 10:46:23,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3048 states. [2018-09-19 10:46:23,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3048 to 2647. [2018-09-19 10:46:23,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2647 states. [2018-09-19 10:46:23,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 3163 transitions. [2018-09-19 10:46:23,766 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 3163 transitions. Word has length 446 [2018-09-19 10:46:23,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:46:23,767 INFO L480 AbstractCegarLoop]: Abstraction has 2647 states and 3163 transitions. [2018-09-19 10:46:23,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 10:46:23,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3163 transitions. [2018-09-19 10:46:23,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2018-09-19 10:46:23,777 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:46:23,777 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:46:23,778 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:46:23,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1582702023, now seen corresponding path program 1 times [2018-09-19 10:46:23,778 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:46:23,778 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 447 with the following transitions: [2018-09-19 10:46:23,779 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], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [854], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:46:23,783 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:46:23,783 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:46:29,692 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:46:54,818 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:46:54,818 INFO L272 AbstractInterpreter]: Visited 169 different actions 1172 times. Merged at 8 different actions 55 times. Widened at 1 different actions 2 times. Found 12 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:46:54,827 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:46:56,600 INFO L232 lantSequenceWeakener]: Weakened 444 states. On average, predicates are now at 77.83% of their original sizes. [2018-09-19 10:46:56,600 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:46:56,936 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:46:56,936 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:46:56,937 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 10:46:56,937 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:46:56,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 10:46:56,937 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 10:46:56,938 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-19 10:46:56,938 INFO L87 Difference]: Start difference. First operand 2647 states and 3163 transitions. Second operand 12 states. Received shutdown request... [2018-09-19 10:46:59,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 10:46:59,947 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 10:46:59,953 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 10:46:59,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 10:46:59 BoogieIcfgContainer [2018-09-19 10:46:59,953 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 10:46:59,954 INFO L168 Benchmark]: Toolchain (without parser) took 257499.98 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 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-19 10:46:59,956 INFO L168 Benchmark]: CDTParser took 1.37 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 10:46:59,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 940.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-09-19 10:46:59,957 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.74 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 10:46:59,958 INFO L168 Benchmark]: Boogie Preprocessor took 272.56 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 762.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -869.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2018-09-19 10:46:59,959 INFO L168 Benchmark]: RCFGBuilder took 3865.75 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: 124.8 MB). Peak memory consumption was 124.8 MB. Max. memory is 7.1 GB. [2018-09-19 10:46:59,959 INFO L168 Benchmark]: TraceAbstraction took 252256.33 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 2.9 GB in the end (delta: -807.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-19 10:46:59,964 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37 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 940.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 155.74 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 272.56 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 762.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -869.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3865.75 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: 124.8 MB). Peak memory consumption was 124.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 252256.33 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 2.9 GB in the end (delta: -807.7 MB). Peak memory consumption was 1.1 GB. 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 constructing difference of abstraction (2647states) and FLOYD_HOARE automaton (currently 13 states, 12 states before enhancement), while ReachableStatesComputation was computing reachable states (403 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 252.1s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 76.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2069 SDtfs, 17862 SDslu, 2470 SDs, 0 SdLazy, 20586 SolverSat, 4994 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 65.5s Time, PredicateUnifierStatistics: 20 DeclaredPredicates, 3064 GetRequests, 2840 SyntacticMatches, 0 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1370 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2647occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 156.4s AbstIntTime, 10 AbstIntIterations, 10 AbstIntStrong, 0.995813750801334 AbsIntWeakeningRatio, 0.09248554913294797 AbsIntAvgWeakeningVarsNumRemoved, 906.5093505610337 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 1816 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label33_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_10-46-59-979.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label33_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_10-46-59-979.csv Completed graceful shutdown