java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label01_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 09:53:50,736 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 09:53:50,738 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 09:53:50,753 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 09:53:50,754 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 09:53:50,755 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 09:53:50,757 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 09:53:50,759 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 09:53:50,761 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 09:53:50,761 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 09:53:50,762 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 09:53:50,763 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 09:53:50,764 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 09:53:50,765 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 09:53:50,767 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 09:53:50,767 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 09:53:50,768 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 09:53:50,770 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 09:53:50,772 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 09:53:50,773 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 09:53:50,774 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 09:53:50,775 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 09:53:50,778 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 09:53:50,778 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 09:53:50,778 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 09:53:50,779 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 09:53:50,780 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 09:53:50,781 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 09:53:50,782 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 09:53:50,783 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 09:53:50,783 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 09:53:50,784 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 09:53:50,787 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 09:53:50,802 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 09:53:50,802 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 09:53:50,803 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 09:53:50,803 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 09:53:50,804 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 09:53:50,804 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 09:53:50,804 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 09:53:50,804 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 09:53:50,804 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 09:53:50,805 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 09:53:50,805 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 09:53:50,805 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 09:53:50,805 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 09:53:50,806 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 09:53:50,806 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 09:53:50,806 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 09:53:50,806 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 09:53:50,807 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 09:53:50,807 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 09:53:50,807 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 09:53:50,807 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 09:53:50,807 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 09:53:50,808 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 09:53:50,808 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 09:53:50,808 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 09:53:50,808 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 09:53:50,809 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 09:53:50,809 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 09:53:50,809 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 09:53:50,809 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 09:53:50,809 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 09:53:50,809 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 09:53:50,810 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 09:53:50,810 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 09:53:50,810 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 09:53:50,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 09:53:50,876 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 09:53:50,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 09:53:50,883 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 09:53:50,883 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 09:53:50,884 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label01_true-unreach-call.c [2018-09-19 09:53:51,242 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5825b0d/a6714f1f667243d297c853e66025affb/FLAG441097d8b [2018-09-19 09:53:51,490 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 09:53:51,491 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label01_true-unreach-call.c [2018-09-19 09:53:51,506 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5825b0d/a6714f1f667243d297c853e66025affb/FLAG441097d8b [2018-09-19 09:53:51,527 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5825b0d/a6714f1f667243d297c853e66025affb [2018-09-19 09:53:51,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 09:53:51,545 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 09:53:51,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 09:53:51,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 09:53:51,559 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 09:53:51,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:53:51" (1/1) ... [2018-09-19 09:53:51,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca9cdb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:53:51, skipping insertion in model container [2018-09-19 09:53:51,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:53:51" (1/1) ... [2018-09-19 09:53:51,576 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 09:53:52,066 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 09:53:52,086 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 09:53:52,240 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 09:53:52,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:53:52 WrapperNode [2018-09-19 09:53:52,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 09:53:52,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 09:53:52,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 09:53:52,308 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 09:53:52,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:53:52" (1/1) ... [2018-09-19 09:53:52,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:53:52" (1/1) ... [2018-09-19 09:53:52,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 09:53:52,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 09:53:52,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 09:53:52,439 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 09:53:52,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:53:52" (1/1) ... [2018-09-19 09:53:52,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:53:52" (1/1) ... [2018-09-19 09:53:52,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:53:52" (1/1) ... [2018-09-19 09:53:52,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:53:52" (1/1) ... [2018-09-19 09:53:52,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:53:52" (1/1) ... [2018-09-19 09:53:52,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:53:52" (1/1) ... [2018-09-19 09:53:52,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:53:52" (1/1) ... [2018-09-19 09:53:52,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 09:53:52,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 09:53:52,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 09:53:52,719 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 09:53:52,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:53:52" (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 09:53:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 09:53:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 09:53:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 09:53:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 09:53:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 09:53:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 09:53:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 09:53:52,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 09:53:56,031 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 09:53:56,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:53:56 BoogieIcfgContainer [2018-09-19 09:53:56,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 09:53:56,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 09:53:56,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 09:53:56,037 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 09:53:56,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 09:53:51" (1/3) ... [2018-09-19 09:53:56,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf78350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 09:53:56, skipping insertion in model container [2018-09-19 09:53:56,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:53:52" (2/3) ... [2018-09-19 09:53:56,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf78350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 09:53:56, skipping insertion in model container [2018-09-19 09:53:56,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:53:56" (3/3) ... [2018-09-19 09:53:56,041 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label01_true-unreach-call.c [2018-09-19 09:53:56,050 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 09:53:56,057 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 09:53:56,112 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 09:53:56,113 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 09:53:56,113 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 09:53:56,113 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 09:53:56,113 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 09:53:56,114 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 09:53:56,114 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 09:53:56,114 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 09:53:56,114 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 09:53:56,141 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-19 09:53:56,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-19 09:53:56,155 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 09:53:56,156 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] [2018-09-19 09:53:56,157 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 09:53:56,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1691291748, now seen corresponding path program 1 times [2018-09-19 09:53:56,166 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 09:53:56,167 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 61 with the following transitions: [2018-09-19 09:53:56,170 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], [381], [383], [796], [800], [806], [810], [817], [818], [819], [821] [2018-09-19 09:53:56,231 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 09:53:56,232 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 09:53:57,914 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 09:53:57,916 INFO L272 AbstractInterpreter]: Visited 59 different actions 59 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-19 09:53:57,938 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 09:53:58,603 INFO L232 lantSequenceWeakener]: Weakened 58 states. On average, predicates are now at 75.92% of their original sizes. [2018-09-19 09:53:58,603 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 09:53:58,924 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 09:53:58,925 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 09:53:58,926 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 09:53:58,926 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 09:53:58,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 09:53:58,943 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 09:53:58,944 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 09:53:58,947 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 6 states. [2018-09-19 09:54:02,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 09:54:02,475 INFO L93 Difference]: Finished difference Result 576 states and 995 transitions. [2018-09-19 09:54:02,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 09:54:02,477 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-09-19 09:54:02,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 09:54:02,497 INFO L225 Difference]: With dead ends: 576 [2018-09-19 09:54:02,497 INFO L226 Difference]: Without dead ends: 358 [2018-09-19 09:54:02,504 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 59 GetRequests, 55 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 09:54:02,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-09-19 09:54:02,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2018-09-19 09:54:02,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-19 09:54:02,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2018-09-19 09:54:02,579 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 60 [2018-09-19 09:54:02,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 09:54:02,580 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2018-09-19 09:54:02,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 09:54:02,581 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2018-09-19 09:54:02,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-19 09:54:02,588 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 09:54:02,588 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, 1, 1, 1, 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 09:54:02,588 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 09:54:02,589 INFO L82 PathProgramCache]: Analyzing trace with hash 703281579, now seen corresponding path program 1 times [2018-09-19 09:54:02,589 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 09:54:02,589 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 132 with the following transitions: [2018-09-19 09:54:02,590 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 09:54:02,600 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 09:54:02,600 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 09:54:04,113 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 09:54:06,936 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 09:54:06,936 INFO L272 AbstractInterpreter]: Visited 78 different actions 221 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 09:54:06,942 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 09:54:07,871 INFO L232 lantSequenceWeakener]: Weakened 129 states. On average, predicates are now at 74.23% of their original sizes. [2018-09-19 09:54:07,871 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 09:54:08,374 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 09:54:08,375 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 09:54:08,375 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 09:54:08,375 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 09:54:08,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 09:54:08,376 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 09:54:08,377 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 09:54:08,377 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand 10 states. [2018-09-19 09:54:15,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 09:54:15,781 INFO L93 Difference]: Finished difference Result 717 states and 1132 transitions. [2018-09-19 09:54:15,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 09:54:15,792 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 131 [2018-09-19 09:54:15,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 09:54:15,800 INFO L225 Difference]: With dead ends: 717 [2018-09-19 09:54:15,800 INFO L226 Difference]: Without dead ends: 511 [2018-09-19 09:54:15,803 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 137 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 09:54:15,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-09-19 09:54:15,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-09-19 09:54:15,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-09-19 09:54:15,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 669 transitions. [2018-09-19 09:54:15,846 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 669 transitions. Word has length 131 [2018-09-19 09:54:15,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 09:54:15,847 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 669 transitions. [2018-09-19 09:54:15,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 09:54:15,847 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 669 transitions. [2018-09-19 09:54:15,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-19 09:54:15,851 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 09:54:15,852 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:54:15,852 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 09:54:15,852 INFO L82 PathProgramCache]: Analyzing trace with hash 999905648, now seen corresponding path program 1 times [2018-09-19 09:54:15,853 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 09:54:15,853 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-09-19 09:54:15,853 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 09:54:15,858 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 09:54:15,858 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 09:54:20,228 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 09:54:22,903 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 09:54:22,903 INFO L272 AbstractInterpreter]: Visited 87 different actions 248 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 09:54:22,911 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 09:54:23,866 INFO L232 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 74.14% of their original sizes. [2018-09-19 09:54:23,867 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 09:54:25,013 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 09:54:25,013 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 09:54:25,013 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 09:54:25,013 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 09:54:25,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 09:54:25,014 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 09:54:25,015 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-19 09:54:25,015 INFO L87 Difference]: Start difference. First operand 505 states and 669 transitions. Second operand 13 states. [2018-09-19 09:54:36,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 09:54:36,564 INFO L93 Difference]: Finished difference Result 1333 states and 2096 transitions. [2018-09-19 09:54:36,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-09-19 09:54:36,567 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 140 [2018-09-19 09:54:36,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 09:54:36,574 INFO L225 Difference]: With dead ends: 1333 [2018-09-19 09:54:36,574 INFO L226 Difference]: Without dead ends: 978 [2018-09-19 09:54:36,577 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 154 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=164, Invalid=592, Unknown=0, NotChecked=0, Total=756 [2018-09-19 09:54:36,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2018-09-19 09:54:36,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 762. [2018-09-19 09:54:36,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2018-09-19 09:54:36,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 953 transitions. [2018-09-19 09:54:36,621 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 953 transitions. Word has length 140 [2018-09-19 09:54:36,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 09:54:36,621 INFO L480 AbstractCegarLoop]: Abstraction has 762 states and 953 transitions. [2018-09-19 09:54:36,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 09:54:36,622 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 953 transitions. [2018-09-19 09:54:36,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-09-19 09:54:36,626 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 09:54:36,626 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:54:36,626 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 09:54:36,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1433611800, now seen corresponding path program 1 times [2018-09-19 09:54:36,627 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 09:54:36,627 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-09-19 09:54:36,627 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 09:54:36,632 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 09:54:36,632 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 09:54:39,238 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 09:54:45,405 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 09:54:45,406 INFO L272 AbstractInterpreter]: Visited 123 different actions 356 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 09:54:45,414 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 09:54:46,262 INFO L232 lantSequenceWeakener]: Weakened 174 states. On average, predicates are now at 73.84% of their original sizes. [2018-09-19 09:54:46,262 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 09:54:46,695 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 09:54:46,695 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 09:54:46,696 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 09:54:46,696 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 09:54:46,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 09:54:46,696 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 09:54:46,697 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-19 09:54:46,697 INFO L87 Difference]: Start difference. First operand 762 states and 953 transitions. Second operand 12 states. [2018-09-19 09:54:57,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 09:54:57,145 INFO L93 Difference]: Finished difference Result 1677 states and 2220 transitions. [2018-09-19 09:54:57,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 09:54:57,146 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 176 [2018-09-19 09:54:57,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 09:54:57,154 INFO L225 Difference]: With dead ends: 1677 [2018-09-19 09:54:57,154 INFO L226 Difference]: Without dead ends: 1067 [2018-09-19 09:54:57,157 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 184 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-19 09:54:57,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2018-09-19 09:54:57,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1056. [2018-09-19 09:54:57,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2018-09-19 09:54:57,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1287 transitions. [2018-09-19 09:54:57,208 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1287 transitions. Word has length 176 [2018-09-19 09:54:57,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 09:54:57,208 INFO L480 AbstractCegarLoop]: Abstraction has 1056 states and 1287 transitions. [2018-09-19 09:54:57,208 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 09:54:57,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1287 transitions. [2018-09-19 09:54:57,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-09-19 09:54:57,212 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 09:54:57,213 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:54:57,213 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 09:54:57,213 INFO L82 PathProgramCache]: Analyzing trace with hash -627860181, now seen corresponding path program 1 times [2018-09-19 09:54:57,213 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 09:54:57,214 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-09-19 09:54:57,214 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 09:54:57,222 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 09:54:57,222 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 09:55:07,205 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 09:55:07,205 INFO L272 AbstractInterpreter]: Visited 142 different actions 413 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 09:55:07,214 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 09:55:08,045 INFO L232 lantSequenceWeakener]: Weakened 193 states. On average, predicates are now at 73.73% of their original sizes. [2018-09-19 09:55:08,045 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 09:55:08,411 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 09:55:08,411 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 09:55:08,412 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 09:55:08,412 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 09:55:08,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 09:55:08,412 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 09:55:08,412 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-19 09:55:08,413 INFO L87 Difference]: Start difference. First operand 1056 states and 1287 transitions. Second operand 12 states. [2018-09-19 09:55:12,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 09:55:12,900 INFO L93 Difference]: Finished difference Result 2268 states and 2899 transitions. [2018-09-19 09:55:12,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-19 09:55:12,901 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 195 [2018-09-19 09:55:12,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 09:55:12,910 INFO L225 Difference]: With dead ends: 2268 [2018-09-19 09:55:12,910 INFO L226 Difference]: Without dead ends: 1364 [2018-09-19 09:55:12,913 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 204 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=111, Invalid=351, Unknown=0, NotChecked=0, Total=462 [2018-09-19 09:55:12,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2018-09-19 09:55:12,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1352. [2018-09-19 09:55:12,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1352 states. [2018-09-19 09:55:12,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1615 transitions. [2018-09-19 09:55:12,963 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1615 transitions. Word has length 195 [2018-09-19 09:55:12,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 09:55:12,964 INFO L480 AbstractCegarLoop]: Abstraction has 1352 states and 1615 transitions. [2018-09-19 09:55:12,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 09:55:12,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1615 transitions. [2018-09-19 09:55:12,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-09-19 09:55:12,967 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 09:55:12,968 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 09:55:12,968 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 09:55:12,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1484130887, now seen corresponding path program 1 times [2018-09-19 09:55:12,968 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 09:55:12,969 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 208 with the following transitions: [2018-09-19 09:55:12,969 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [518], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 09:55:12,972 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 09:55:12,972 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 09:55:14,423 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 09:55:19,392 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 09:55:19,393 INFO L272 AbstractInterpreter]: Visited 84 different actions 323 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 09:55:19,402 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 09:55:20,543 INFO L232 lantSequenceWeakener]: Weakened 205 states. On average, predicates are now at 73.72% of their original sizes. [2018-09-19 09:55:20,543 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 09:55:20,980 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 09:55:20,980 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 09:55:20,981 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 09:55:20,981 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 09:55:20,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 09:55:20,981 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 09:55:20,982 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 09:55:20,982 INFO L87 Difference]: Start difference. First operand 1352 states and 1615 transitions. Second operand 10 states. [2018-09-19 09:55:28,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 09:55:28,415 INFO L93 Difference]: Finished difference Result 2719 states and 3388 transitions. [2018-09-19 09:55:28,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 09:55:28,420 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2018-09-19 09:55:28,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 09:55:28,428 INFO L225 Difference]: With dead ends: 2719 [2018-09-19 09:55:28,428 INFO L226 Difference]: Without dead ends: 1521 [2018-09-19 09:55:28,432 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 214 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 09:55:28,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2018-09-19 09:55:28,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1503. [2018-09-19 09:55:28,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1503 states. [2018-09-19 09:55:28,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1792 transitions. [2018-09-19 09:55:28,489 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1792 transitions. Word has length 207 [2018-09-19 09:55:28,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 09:55:28,490 INFO L480 AbstractCegarLoop]: Abstraction has 1503 states and 1792 transitions. [2018-09-19 09:55:28,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 09:55:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1792 transitions. [2018-09-19 09:55:28,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-09-19 09:55:28,494 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 09:55:28,495 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, 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] [2018-09-19 09:55:28,495 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 09:55:28,495 INFO L82 PathProgramCache]: Analyzing trace with hash -372127773, now seen corresponding path program 1 times [2018-09-19 09:55:28,495 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 09:55:28,495 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-09-19 09:55:28,496 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 09:55:28,504 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 09:55:28,504 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 09:55:30,183 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 09:55:35,958 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 09:55:35,958 INFO L272 AbstractInterpreter]: Visited 86 different actions 333 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 09:55:35,983 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 09:55:36,810 INFO L232 lantSequenceWeakener]: Weakened 207 states. On average, predicates are now at 73.71% of their original sizes. [2018-09-19 09:55:36,810 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 09:55:37,070 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 09:55:37,071 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 09:55:37,071 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 09:55:37,071 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 09:55:37,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 09:55:37,072 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 09:55:37,072 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 09:55:37,072 INFO L87 Difference]: Start difference. First operand 1503 states and 1792 transitions. Second operand 10 states. [2018-09-19 09:55:42,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 09:55:42,936 INFO L93 Difference]: Finished difference Result 3020 states and 3751 transitions. [2018-09-19 09:55:42,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 09:55:42,938 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 209 [2018-09-19 09:55:42,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 09:55:42,946 INFO L225 Difference]: With dead ends: 3020 [2018-09-19 09:55:42,947 INFO L226 Difference]: Without dead ends: 1671 [2018-09-19 09:55:42,951 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 216 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 09:55:42,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2018-09-19 09:55:43,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1654. [2018-09-19 09:55:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1654 states. [2018-09-19 09:55:43,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 1988 transitions. [2018-09-19 09:55:43,008 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 1988 transitions. Word has length 209 [2018-09-19 09:55:43,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 09:55:43,009 INFO L480 AbstractCegarLoop]: Abstraction has 1654 states and 1988 transitions. [2018-09-19 09:55:43,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 09:55:43,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 1988 transitions. [2018-09-19 09:55:43,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-09-19 09:55:43,013 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 09:55:43,014 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, 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] [2018-09-19 09:55:43,014 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 09:55:43,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1291434779, now seen corresponding path program 1 times [2018-09-19 09:55:43,014 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 09:55:43,015 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 214 with the following transitions: [2018-09-19 09:55:43,015 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [542], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 09:55:43,017 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 09:55:43,018 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 09:55:44,519 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 09:55:50,228 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 09:55:50,228 INFO L272 AbstractInterpreter]: Visited 90 different actions 349 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 09:55:50,234 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 09:55:51,033 INFO L232 lantSequenceWeakener]: Weakened 211 states. On average, predicates are now at 73.69% of their original sizes. [2018-09-19 09:55:51,033 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 09:55:51,335 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 09:55:51,335 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 09:55:51,335 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 09:55:51,335 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 09:55:51,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 09:55:51,336 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 09:55:51,336 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 09:55:51,336 INFO L87 Difference]: Start difference. First operand 1654 states and 1988 transitions. Second operand 10 states. [2018-09-19 09:55:58,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 09:55:58,489 INFO L93 Difference]: Finished difference Result 3477 states and 4328 transitions. [2018-09-19 09:55:58,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 09:55:58,490 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2018-09-19 09:55:58,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 09:55:58,499 INFO L225 Difference]: With dead ends: 3477 [2018-09-19 09:55:58,499 INFO L226 Difference]: Without dead ends: 1977 [2018-09-19 09:55:58,503 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 220 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 09:55:58,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2018-09-19 09:55:58,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1954. [2018-09-19 09:55:58,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1954 states. [2018-09-19 09:55:58,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2362 transitions. [2018-09-19 09:55:58,568 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2362 transitions. Word has length 213 [2018-09-19 09:55:58,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 09:55:58,569 INFO L480 AbstractCegarLoop]: Abstraction has 1954 states and 2362 transitions. [2018-09-19 09:55:58,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 09:55:58,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2362 transitions. [2018-09-19 09:55:58,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-09-19 09:55:58,573 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 09:55:58,574 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, 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] [2018-09-19 09:55:58,574 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 09:55:58,574 INFO L82 PathProgramCache]: Analyzing trace with hash 949539823, now seen corresponding path program 1 times [2018-09-19 09:55:58,574 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 09:55:58,574 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-09-19 09:55:58,575 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 09:55:58,577 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 09:55:58,577 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 09:55:59,979 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 09:56:10,048 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 09:56:10,048 INFO L272 AbstractInterpreter]: Visited 96 different actions 373 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 09:56:10,053 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 09:56:11,080 INFO L232 lantSequenceWeakener]: Weakened 217 states. On average, predicates are now at 73.67% of their original sizes. [2018-09-19 09:56:11,080 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 09:56:11,379 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 09:56:11,379 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 09:56:11,379 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 09:56:11,379 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 09:56:11,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 09:56:11,380 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 09:56:11,380 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 09:56:11,380 INFO L87 Difference]: Start difference. First operand 1954 states and 2362 transitions. Second operand 10 states. [2018-09-19 09:56:15,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 09:56:15,952 INFO L93 Difference]: Finished difference Result 3932 states and 4909 transitions. [2018-09-19 09:56:15,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 09:56:15,953 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 219 [2018-09-19 09:56:15,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 09:56:15,962 INFO L225 Difference]: With dead ends: 3932 [2018-09-19 09:56:15,962 INFO L226 Difference]: Without dead ends: 2132 [2018-09-19 09:56:15,966 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 09:56:15,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2018-09-19 09:56:16,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2109. [2018-09-19 09:56:16,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2109 states. [2018-09-19 09:56:16,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2577 transitions. [2018-09-19 09:56:16,037 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2577 transitions. Word has length 219 [2018-09-19 09:56:16,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 09:56:16,038 INFO L480 AbstractCegarLoop]: Abstraction has 2109 states and 2577 transitions. [2018-09-19 09:56:16,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 09:56:16,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2577 transitions. [2018-09-19 09:56:16,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-09-19 09:56:16,044 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 09:56:16,044 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, 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 09:56:16,044 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 09:56:16,045 INFO L82 PathProgramCache]: Analyzing trace with hash -258600472, now seen corresponding path program 1 times [2018-09-19 09:56:16,045 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 09:56:16,045 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-09-19 09:56:16,045 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [602], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 09:56:16,048 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 09:56:16,048 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 09:56:17,601 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 09:56:27,832 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 09:56:27,832 INFO L272 AbstractInterpreter]: Visited 105 different actions 407 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 09:56:27,840 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 09:56:28,861 INFO L232 lantSequenceWeakener]: Weakened 226 states. On average, predicates are now at 73.63% of their original sizes. [2018-09-19 09:56:28,861 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 09:56:29,181 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 09:56:29,182 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 09:56:29,182 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 09:56:29,182 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 09:56:29,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 09:56:29,183 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 09:56:29,183 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 09:56:29,183 INFO L87 Difference]: Start difference. First operand 2109 states and 2577 transitions. Second operand 11 states. [2018-09-19 09:56:37,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 09:56:37,120 INFO L93 Difference]: Finished difference Result 4320 states and 5463 transitions. [2018-09-19 09:56:37,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-19 09:56:37,120 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 228 [2018-09-19 09:56:37,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 09:56:37,129 INFO L225 Difference]: With dead ends: 4320 [2018-09-19 09:56:37,129 INFO L226 Difference]: Without dead ends: 2365 [2018-09-19 09:56:37,134 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 236 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2018-09-19 09:56:37,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2365 states. [2018-09-19 09:56:37,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2365 to 2262. [2018-09-19 09:56:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2262 states. [2018-09-19 09:56:37,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 2792 transitions. [2018-09-19 09:56:37,210 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 2792 transitions. Word has length 228 [2018-09-19 09:56:37,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 09:56:37,210 INFO L480 AbstractCegarLoop]: Abstraction has 2262 states and 2792 transitions. [2018-09-19 09:56:37,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 09:56:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2792 transitions. [2018-09-19 09:56:37,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-09-19 09:56:37,216 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 09:56:37,217 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 09:56:37,217 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 09:56:37,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1315042940, now seen corresponding path program 1 times [2018-09-19 09:56:37,217 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 09:56:37,218 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-09-19 09:56:37,218 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [626], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 09:56:37,221 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 09:56:37,221 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 09:56:38,833 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 09:56:47,123 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 09:56:47,124 INFO L272 AbstractInterpreter]: Visited 111 different actions 433 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 09:56:47,129 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 09:56:48,072 INFO L232 lantSequenceWeakener]: Weakened 232 states. On average, predicates are now at 73.6% of their original sizes. [2018-09-19 09:56:48,073 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 09:56:48,401 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 09:56:48,401 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 09:56:48,402 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 09:56:48,402 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 09:56:48,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 09:56:48,402 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 09:56:48,403 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 09:56:48,403 INFO L87 Difference]: Start difference. First operand 2262 states and 2792 transitions. Second operand 11 states. [2018-09-19 09:56:56,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 09:56:56,328 INFO L93 Difference]: Finished difference Result 4808 states and 6139 transitions. [2018-09-19 09:56:56,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-19 09:56:56,328 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2018-09-19 09:56:56,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 09:56:56,336 INFO L225 Difference]: With dead ends: 4808 [2018-09-19 09:56:56,336 INFO L226 Difference]: Without dead ends: 2700 [2018-09-19 09:56:56,341 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 242 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2018-09-19 09:56:56,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2700 states. [2018-09-19 09:56:56,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2700 to 2670. [2018-09-19 09:56:56,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2670 states. [2018-09-19 09:56:56,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 3328 transitions. [2018-09-19 09:56:56,429 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 3328 transitions. Word has length 234 [2018-09-19 09:56:56,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 09:56:56,430 INFO L480 AbstractCegarLoop]: Abstraction has 2670 states and 3328 transitions. [2018-09-19 09:56:56,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 09:56:56,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 3328 transitions. [2018-09-19 09:56:56,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-09-19 09:56:56,440 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 09:56:56,440 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, 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] [2018-09-19 09:56:56,441 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 09:56:56,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1744641629, now seen corresponding path program 1 times [2018-09-19 09:56:56,441 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 09:56:56,441 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 242 with the following transitions: [2018-09-19 09:56:56,442 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 09:56:56,444 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 09:56:56,445 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 09:56:57,844 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 09:57:07,090 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 09:57:07,090 INFO L272 AbstractInterpreter]: Visited 118 different actions 459 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 09:57:07,095 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 09:57:08,267 INFO L232 lantSequenceWeakener]: Weakened 239 states. On average, predicates are now at 73.58% of their original sizes. [2018-09-19 09:57:08,267 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 09:57:08,597 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 09:57:08,598 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 09:57:08,598 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 09:57:08,598 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 09:57:08,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 09:57:08,598 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 09:57:08,598 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 09:57:08,599 INFO L87 Difference]: Start difference. First operand 2670 states and 3328 transitions. Second operand 11 states. [2018-09-19 09:57:14,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 09:57:14,821 INFO L93 Difference]: Finished difference Result 5752 states and 7377 transitions. [2018-09-19 09:57:14,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-19 09:57:14,824 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 241 [2018-09-19 09:57:14,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 09:57:14,837 INFO L225 Difference]: With dead ends: 5752 [2018-09-19 09:57:14,838 INFO L226 Difference]: Without dead ends: 3236 [2018-09-19 09:57:14,844 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 249 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2018-09-19 09:57:14,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3236 states. [2018-09-19 09:57:14,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3236 to 3129. [2018-09-19 09:57:14,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3129 states. [2018-09-19 09:57:14,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3129 states to 3129 states and 3930 transitions. [2018-09-19 09:57:14,947 INFO L78 Accepts]: Start accepts. Automaton has 3129 states and 3930 transitions. Word has length 241 [2018-09-19 09:57:14,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 09:57:14,948 INFO L480 AbstractCegarLoop]: Abstraction has 3129 states and 3930 transitions. [2018-09-19 09:57:14,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 09:57:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 3129 states and 3930 transitions. [2018-09-19 09:57:14,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-09-19 09:57:14,954 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 09:57:14,955 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 09:57:14,955 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 09:57:14,955 INFO L82 PathProgramCache]: Analyzing trace with hash 474917064, now seen corresponding path program 1 times [2018-09-19 09:57:14,955 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 09:57:14,956 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 245 with the following transitions: [2018-09-19 09:57:14,956 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 09:57:14,959 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 09:57:14,959 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 09:57:16,448 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 09:57:26,120 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 09:57:26,121 INFO L272 AbstractInterpreter]: Visited 121 different actions 471 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 09:57:26,125 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 09:57:27,202 INFO L232 lantSequenceWeakener]: Weakened 242 states. On average, predicates are now at 73.57% of their original sizes. [2018-09-19 09:57:27,202 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 09:57:27,700 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 09:57:27,701 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 09:57:27,701 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 09:57:27,701 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 09:57:27,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 09:57:27,702 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 09:57:27,703 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-19 09:57:27,703 INFO L87 Difference]: Start difference. First operand 3129 states and 3930 transitions. Second operand 13 states. [2018-09-19 09:57:37,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 09:57:37,301 INFO L93 Difference]: Finished difference Result 6701 states and 8709 transitions. [2018-09-19 09:57:37,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-19 09:57:37,303 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 244 [2018-09-19 09:57:37,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 09:57:37,316 INFO L225 Difference]: With dead ends: 6701 [2018-09-19 09:57:37,316 INFO L226 Difference]: Without dead ends: 3726 [2018-09-19 09:57:37,322 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 256 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2018-09-19 09:57:37,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3726 states. [2018-09-19 09:57:37,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3726 to 3529. [2018-09-19 09:57:37,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3529 states. [2018-09-19 09:57:37,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3529 states to 3529 states and 4443 transitions. [2018-09-19 09:57:37,435 INFO L78 Accepts]: Start accepts. Automaton has 3529 states and 4443 transitions. Word has length 244 [2018-09-19 09:57:37,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 09:57:37,436 INFO L480 AbstractCegarLoop]: Abstraction has 3529 states and 4443 transitions. [2018-09-19 09:57:37,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 09:57:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 3529 states and 4443 transitions. [2018-09-19 09:57:37,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-09-19 09:57:37,442 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 09:57:37,442 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 09:57:37,442 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 09:57:37,443 INFO L82 PathProgramCache]: Analyzing trace with hash -696568837, now seen corresponding path program 1 times [2018-09-19 09:57:37,443 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 09:57:37,443 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2018-09-19 09:57:37,443 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 09:57:37,446 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 09:57:37,447 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 09:57:40,464 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 09:57:52,173 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 09:57:52,173 INFO L272 AbstractInterpreter]: Visited 124 different actions 603 times. Merged at 7 different actions 27 times. Never widened. Found 5 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 09:57:52,177 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 09:57:53,190 INFO L232 lantSequenceWeakener]: Weakened 247 states. On average, predicates are now at 73.55% of their original sizes. [2018-09-19 09:57:53,190 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 09:57:53,460 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 09:57:53,461 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 09:57:53,461 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 09:57:53,461 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 09:57:53,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 09:57:53,461 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 09:57:53,462 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 09:57:53,462 INFO L87 Difference]: Start difference. First operand 3529 states and 4443 transitions. Second operand 10 states. [2018-09-19 09:57:59,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 09:57:59,021 INFO L93 Difference]: Finished difference Result 7079 states and 9092 transitions. [2018-09-19 09:57:59,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 09:57:59,028 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 249 [2018-09-19 09:57:59,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 09:57:59,042 INFO L225 Difference]: With dead ends: 7079 [2018-09-19 09:57:59,042 INFO L226 Difference]: Without dead ends: 3704 [2018-09-19 09:57:59,049 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 256 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 09:57:59,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3704 states. [2018-09-19 09:57:59,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3704 to 3677. [2018-09-19 09:57:59,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3677 states. [2018-09-19 09:57:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3677 states to 3677 states and 4642 transitions. [2018-09-19 09:57:59,169 INFO L78 Accepts]: Start accepts. Automaton has 3677 states and 4642 transitions. Word has length 249 [2018-09-19 09:57:59,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 09:57:59,170 INFO L480 AbstractCegarLoop]: Abstraction has 3677 states and 4642 transitions. [2018-09-19 09:57:59,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 09:57:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 3677 states and 4642 transitions. [2018-09-19 09:57:59,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-09-19 09:57:59,176 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 09:57:59,176 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, 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] [2018-09-19 09:57:59,176 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 09:57:59,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1395891019, now seen corresponding path program 1 times [2018-09-19 09:57:59,177 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 09:57:59,177 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 254 with the following transitions: [2018-09-19 09:57:59,177 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [702], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 09:57:59,180 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 09:57:59,181 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 09:58:00,585 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-09-19 09:58:08,871 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-09-19 09:58:08,871 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-09-19 09:58:08,872 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 09:58:08,907 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-19 09:58:08,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 09:58:08 BoogieIcfgContainer [2018-09-19 09:58:08,908 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 09:58:08,909 INFO L168 Benchmark]: Toolchain (without parser) took 257367.79 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-09-19 09:58:08,911 INFO L168 Benchmark]: CDTParser took 0.20 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 09:58:08,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.91 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-19 09:58:08,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.19 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 09:58:08,913 INFO L168 Benchmark]: Boogie Preprocessor took 278.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2018-09-19 09:58:08,914 INFO L168 Benchmark]: RCFGBuilder took 3314.15 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: 101.5 MB). Peak memory consumption was 101.5 MB. Max. memory is 7.1 GB. [2018-09-19 09:58:08,915 INFO L168 Benchmark]: TraceAbstraction took 252874.84 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-09-19 09:58:08,920 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 758.91 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 131.19 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 278.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3314.15 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: 101.5 MB). Peak memory consumption was 101.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 252874.84 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 163]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L7] int inputC = 3; [L8] int inputD = 4; [L9] int inputE = 5; [L10] int inputF = 6; [L11] int inputB = 2; [L14] int a1 = 23; [L15] int a19 = 9; [L16] int a10 = 0; [L17] int a12 = 0; [L18] int a4 = 14; [L579] int output = -1; [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND TRUE ((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0))) [L211] a1 = (((a1 + -15535) - 211896) / 5) [L212] a10 = 2 [L214] RET return 22; [L590] EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L260] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L265] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L271] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L277] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L283] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L286] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L291] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L296] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L301] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L306] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L312] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L317] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L320] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L323] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L326] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L329] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L335] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L340] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L345] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L351] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L354] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L357] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L360] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L365] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L370] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L375] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L378] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L383] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L388] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L393] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L398] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L403] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L408] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L414] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L419] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L425] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) [L430] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) [L436] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) [L442] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) [L448] COND FALSE !(((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0)))) [L454] COND FALSE !((((a12==0) && ((((input == 5) && (a19==10)) && ((38 < a1) && (218 >= a1)) ) && (a4==14))) && (a10==1))) [L460] COND TRUE ((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0)))) [L461] a1 = (((a1 / 5) + 105416) + 61704) [L462] a10 = 4 [L464] RET return 24; [L590] EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND TRUE (((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6)) [L163] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. UNKNOWN Result, 252.8s OverallTime, 15 OverallIterations, 3 TraceHistogramMax, 99.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2712 SDtfs, 10386 SDslu, 5405 SDs, 0 SdLazy, 28167 SolverSat, 2498 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 87.0s Time, PredicateUnifierStatistics: 28 DeclaredPredicates, 2853 GetRequests, 2611 SyntacticMatches, 0 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 812 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3677occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 132.5s AbstIntTime, 15 AbstIntIterations, 14 AbstIntStrong, 0.9945147613701482 AbsIntWeakeningRatio, 0.12005856515373353 AbsIntAvgWeakeningVarsNumRemoved, 879.4633967789165 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 792 StatesRemovedByMinimization, 14 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: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label01_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_09-58-08-935.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label01_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_09-58-08-935.csv Completed graceful shutdown