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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label10_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 07:07:11,840 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 07:07:11,844 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 07:07:11,861 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 07:07:11,861 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 07:07:11,862 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 07:07:11,864 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 07:07:11,866 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 07:07:11,868 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 07:07:11,868 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 07:07:11,869 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 07:07:11,870 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 07:07:11,871 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 07:07:11,872 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 07:07:11,873 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 07:07:11,874 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 07:07:11,874 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 07:07:11,876 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 07:07:11,878 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 07:07:11,880 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 07:07:11,881 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 07:07:11,882 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 07:07:11,885 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 07:07:11,885 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 07:07:11,885 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 07:07:11,886 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 07:07:11,887 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 07:07:11,888 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 07:07:11,889 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 07:07:11,890 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 07:07:11,891 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 07:07:11,891 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 07:07:11,892 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 07:07:11,892 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 07:07:11,893 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 07:07:11,894 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 07:07:11,894 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 07:07:11,918 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 07:07:11,921 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 07:07:11,921 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 07:07:11,922 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 07:07:11,922 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 07:07:11,922 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 07:07:11,922 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 07:07:11,923 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 07:07:11,923 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 07:07:11,923 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 07:07:11,923 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 07:07:11,923 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 07:07:11,924 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 07:07:11,924 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 07:07:11,925 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 07:07:11,925 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 07:07:11,926 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 07:07:11,926 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 07:07:11,926 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 07:07:11,926 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 07:07:11,926 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 07:07:11,926 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 07:07:11,928 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 07:07:11,928 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 07:07:11,928 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 07:07:11,928 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 07:07:11,929 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:07:11,929 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 07:07:11,929 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 07:07:11,929 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 07:07:11,929 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 07:07:11,930 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 07:07:11,930 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 07:07:11,930 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 07:07:11,930 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 07:07:11,931 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 07:07:11,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 07:07:12,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 07:07:12,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 07:07:12,023 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 07:07:12,023 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 07:07:12,024 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label10_true-unreach-call_false-termination.c [2018-11-07 07:07:12,087 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff3014438/5a3f7997ad404d7b9d6a386b7bc3f182/FLAG1f1b7eb16 [2018-11-07 07:07:12,715 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 07:07:12,716 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label10_true-unreach-call_false-termination.c [2018-11-07 07:07:12,731 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff3014438/5a3f7997ad404d7b9d6a386b7bc3f182/FLAG1f1b7eb16 [2018-11-07 07:07:12,748 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff3014438/5a3f7997ad404d7b9d6a386b7bc3f182 [2018-11-07 07:07:12,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 07:07:12,760 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 07:07:12,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 07:07:12,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 07:07:12,766 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 07:07:12,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:07:12" (1/1) ... [2018-11-07 07:07:12,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b7df7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:12, skipping insertion in model container [2018-11-07 07:07:12,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:07:12" (1/1) ... [2018-11-07 07:07:12,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 07:07:12,836 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 07:07:13,279 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:07:13,292 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 07:07:13,398 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:07:13,417 INFO L193 MainTranslator]: Completed translation [2018-11-07 07:07:13,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13 WrapperNode [2018-11-07 07:07:13,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 07:07:13,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 07:07:13,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 07:07:13,419 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 07:07:13,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 07:07:13,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 07:07:13,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 07:07:13,543 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 07:07:13,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 07:07:13,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 07:07:13,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 07:07:13,663 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 07:07:13,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (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 [2018-11-07 07:07:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 07:07:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 07:07:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 07:07:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 07:07:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 07:07:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 07:07:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 07:07:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 07:07:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 07:07:16,740 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 07:07:16,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:16 BoogieIcfgContainer [2018-11-07 07:07:16,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 07:07:16,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 07:07:16,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 07:07:16,746 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 07:07:16,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:07:12" (1/3) ... [2018-11-07 07:07:16,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca5f8a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:07:16, skipping insertion in model container [2018-11-07 07:07:16,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (2/3) ... [2018-11-07 07:07:16,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca5f8a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:07:16, skipping insertion in model container [2018-11-07 07:07:16,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:16" (3/3) ... [2018-11-07 07:07:16,750 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label10_true-unreach-call_false-termination.c [2018-11-07 07:07:16,761 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 07:07:16,770 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 07:07:16,784 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 07:07:16,823 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 07:07:16,823 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 07:07:16,824 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 07:07:16,824 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 07:07:16,824 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 07:07:16,824 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 07:07:16,824 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 07:07:16,825 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 07:07:16,866 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 07:07:16,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-07 07:07:16,887 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:16,888 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:07:16,890 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:16,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:16,896 INFO L82 PathProgramCache]: Analyzing trace with hash -773755248, now seen corresponding path program 1 times [2018-11-07 07:07:16,898 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:16,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:16,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:16,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:16,945 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:17,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:07:17,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:07:17,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 07:07:17,787 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:17,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 07:07:17,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 07:07:17,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 07:07:17,816 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-11-07 07:07:20,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:20,614 INFO L93 Difference]: Finished difference Result 774 states and 1357 transitions. [2018-11-07 07:07:20,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 07:07:20,616 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2018-11-07 07:07:20,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:20,642 INFO L225 Difference]: With dead ends: 774 [2018-11-07 07:07:20,642 INFO L226 Difference]: Without dead ends: 531 [2018-11-07 07:07:20,650 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 07:07:20,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-11-07 07:07:20,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 529. [2018-11-07 07:07:20,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-11-07 07:07:20,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 922 transitions. [2018-11-07 07:07:20,738 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 922 transitions. Word has length 142 [2018-11-07 07:07:20,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:20,740 INFO L480 AbstractCegarLoop]: Abstraction has 529 states and 922 transitions. [2018-11-07 07:07:20,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 07:07:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 922 transitions. [2018-11-07 07:07:20,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-07 07:07:20,755 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:20,755 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:07:20,755 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:20,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:20,756 INFO L82 PathProgramCache]: Analyzing trace with hash -309014567, now seen corresponding path program 1 times [2018-11-07 07:07:20,756 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:20,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:20,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:20,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:20,764 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:21,009 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:07:21,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:07:21,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:07:21,010 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:21,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:07:21,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:07:21,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:07:21,013 INFO L87 Difference]: Start difference. First operand 529 states and 922 transitions. Second operand 6 states. [2018-11-07 07:07:23,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:23,156 INFO L93 Difference]: Finished difference Result 1284 states and 2274 transitions. [2018-11-07 07:07:23,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:07:23,158 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-07 07:07:23,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:23,166 INFO L225 Difference]: With dead ends: 1284 [2018-11-07 07:07:23,166 INFO L226 Difference]: Without dead ends: 761 [2018-11-07 07:07:23,170 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:07:23,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2018-11-07 07:07:23,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 742. [2018-11-07 07:07:23,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-07 07:07:23,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1199 transitions. [2018-11-07 07:07:23,235 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1199 transitions. Word has length 164 [2018-11-07 07:07:23,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:23,236 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1199 transitions. [2018-11-07 07:07:23,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:07:23,236 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1199 transitions. [2018-11-07 07:07:23,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-07 07:07:23,241 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:23,242 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:07:23,242 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:23,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:23,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1423050670, now seen corresponding path program 1 times [2018-11-07 07:07:23,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:23,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:23,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:23,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:23,246 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:23,716 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:07:23,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:07:23,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 07:07:23,716 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:23,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 07:07:23,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 07:07:23,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 07:07:23,718 INFO L87 Difference]: Start difference. First operand 742 states and 1199 transitions. Second operand 5 states. [2018-11-07 07:07:25,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:25,884 INFO L93 Difference]: Finished difference Result 1625 states and 2665 transitions. [2018-11-07 07:07:25,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 07:07:25,885 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2018-11-07 07:07:25,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:25,892 INFO L225 Difference]: With dead ends: 1625 [2018-11-07 07:07:25,892 INFO L226 Difference]: Without dead ends: 741 [2018-11-07 07:07:25,896 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 07:07:25,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-07 07:07:25,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2018-11-07 07:07:25,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-11-07 07:07:25,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1181 transitions. [2018-11-07 07:07:25,921 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1181 transitions. Word has length 169 [2018-11-07 07:07:25,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:25,922 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 1181 transitions. [2018-11-07 07:07:25,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 07:07:25,922 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1181 transitions. [2018-11-07 07:07:25,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-07 07:07:25,926 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:25,927 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:07:25,927 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:25,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:25,928 INFO L82 PathProgramCache]: Analyzing trace with hash 192175635, now seen corresponding path program 1 times [2018-11-07 07:07:25,928 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:25,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:25,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:25,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:25,929 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:26,174 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:07:26,175 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:07:26,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:07:26,175 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:26,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:07:26,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:07:26,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:07:26,176 INFO L87 Difference]: Start difference. First operand 741 states and 1181 transitions. Second operand 6 states. [2018-11-07 07:07:27,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:27,747 INFO L93 Difference]: Finished difference Result 2329 states and 3898 transitions. [2018-11-07 07:07:27,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:07:27,750 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 197 [2018-11-07 07:07:27,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:27,763 INFO L225 Difference]: With dead ends: 2329 [2018-11-07 07:07:27,763 INFO L226 Difference]: Without dead ends: 1594 [2018-11-07 07:07:27,768 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:07:27,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1594 states. [2018-11-07 07:07:27,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1594 to 1552. [2018-11-07 07:07:27,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1552 states. [2018-11-07 07:07:27,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 2380 transitions. [2018-11-07 07:07:27,831 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 2380 transitions. Word has length 197 [2018-11-07 07:07:27,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:27,831 INFO L480 AbstractCegarLoop]: Abstraction has 1552 states and 2380 transitions. [2018-11-07 07:07:27,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:07:27,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 2380 transitions. [2018-11-07 07:07:27,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-07 07:07:27,839 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:27,839 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:07:27,840 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:27,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:27,840 INFO L82 PathProgramCache]: Analyzing trace with hash 36195093, now seen corresponding path program 1 times [2018-11-07 07:07:27,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:27,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:27,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:27,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:27,842 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:28,119 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:07:28,357 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 07:07:28,357 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:28,357 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:28,358 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-11-07 07:07:28,367 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [207], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [807], [809], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:07:28,439 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:28,439 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:29,031 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:07:29,032 INFO L272 AbstractInterpreter]: Visited 142 different actions 142 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 07:07:29,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:29,068 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:07:29,659 INFO L227 lantSequenceWeakener]: Weakened 189 states. On average, predicates are now at 81.19% of their original sizes. [2018-11-07 07:07:29,659 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:07:29,768 INFO L415 sIntCurrentIteration]: We unified 196 AI predicates to 196 [2018-11-07 07:07:29,768 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:07:29,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:07:29,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-11-07 07:07:29,770 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:29,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:07:29,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:07:29,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:07:29,771 INFO L87 Difference]: Start difference. First operand 1552 states and 2380 transitions. Second operand 6 states. [2018-11-07 07:07:36,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:36,552 INFO L93 Difference]: Finished difference Result 3248 states and 4982 transitions. [2018-11-07 07:07:36,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:07:36,553 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 197 [2018-11-07 07:07:36,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:36,561 INFO L225 Difference]: With dead ends: 3248 [2018-11-07 07:07:36,561 INFO L226 Difference]: Without dead ends: 1702 [2018-11-07 07:07:36,567 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 197 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:07:36,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2018-11-07 07:07:36,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1699. [2018-11-07 07:07:36,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1699 states. [2018-11-07 07:07:36,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2539 transitions. [2018-11-07 07:07:36,614 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2539 transitions. Word has length 197 [2018-11-07 07:07:36,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:36,615 INFO L480 AbstractCegarLoop]: Abstraction has 1699 states and 2539 transitions. [2018-11-07 07:07:36,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:07:36,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2539 transitions. [2018-11-07 07:07:36,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-07 07:07:36,623 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:36,623 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:07:36,624 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:36,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:36,624 INFO L82 PathProgramCache]: Analyzing trace with hash 981314004, now seen corresponding path program 1 times [2018-11-07 07:07:36,624 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:36,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:36,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:36,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:36,626 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:36,850 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:07:36,851 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:36,851 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:36,851 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 208 with the following transitions: [2018-11-07 07:07:36,851 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [207], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [807], [809], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:07:36,857 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:36,857 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:37,130 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:07:37,131 INFO L272 AbstractInterpreter]: Visited 146 different actions 286 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-07 07:07:37,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:37,157 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:07:37,432 INFO L227 lantSequenceWeakener]: Weakened 202 states. On average, predicates are now at 81.21% of their original sizes. [2018-11-07 07:07:37,432 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:07:37,982 INFO L415 sIntCurrentIteration]: We unified 206 AI predicates to 206 [2018-11-07 07:07:37,982 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:07:37,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:07:37,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 07:07:37,983 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:37,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:07:37,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:07:37,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:07:37,984 INFO L87 Difference]: Start difference. First operand 1699 states and 2539 transitions. Second operand 10 states. [2018-11-07 07:07:44,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:44,916 INFO L93 Difference]: Finished difference Result 3693 states and 5538 transitions. [2018-11-07 07:07:44,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 07:07:44,916 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2018-11-07 07:07:44,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:44,926 INFO L225 Difference]: With dead ends: 3693 [2018-11-07 07:07:44,927 INFO L226 Difference]: Without dead ends: 2000 [2018-11-07 07:07:44,933 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 216 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-07 07:07:44,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2018-11-07 07:07:44,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 1994. [2018-11-07 07:07:44,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2018-11-07 07:07:44,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2872 transitions. [2018-11-07 07:07:44,989 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2872 transitions. Word has length 207 [2018-11-07 07:07:44,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:44,990 INFO L480 AbstractCegarLoop]: Abstraction has 1994 states and 2872 transitions. [2018-11-07 07:07:44,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:07:44,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2872 transitions. [2018-11-07 07:07:44,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-07 07:07:44,998 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:44,998 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:07:44,999 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:44,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:44,999 INFO L82 PathProgramCache]: Analyzing trace with hash 2105417946, now seen corresponding path program 1 times [2018-11-07 07:07:44,999 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:45,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:45,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:45,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:45,001 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:45,224 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:07:45,224 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:45,224 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:45,225 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-11-07 07:07:45,225 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [807], [809], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:07:45,230 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:45,231 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:45,539 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:07:45,539 INFO L272 AbstractInterpreter]: Visited 146 different actions 286 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-07 07:07:45,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:45,547 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:07:45,780 INFO L227 lantSequenceWeakener]: Weakened 206 states. On average, predicates are now at 82.87% of their original sizes. [2018-11-07 07:07:45,780 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:07:46,185 INFO L415 sIntCurrentIteration]: We unified 210 AI predicates to 210 [2018-11-07 07:07:46,186 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:07:46,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:07:46,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 07:07:46,186 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:46,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:07:46,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:07:46,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:07:46,187 INFO L87 Difference]: Start difference. First operand 1994 states and 2872 transitions. Second operand 10 states. [2018-11-07 07:07:53,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:53,936 INFO L93 Difference]: Finished difference Result 4945 states and 7383 transitions. [2018-11-07 07:07:53,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 07:07:53,936 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2018-11-07 07:07:53,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:53,950 INFO L225 Difference]: With dead ends: 4945 [2018-11-07 07:07:53,950 INFO L226 Difference]: Without dead ends: 2957 [2018-11-07 07:07:53,958 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 220 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-07 07:07:53,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2957 states. [2018-11-07 07:07:54,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2957 to 2947. [2018-11-07 07:07:54,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2947 states. [2018-11-07 07:07:54,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4036 transitions. [2018-11-07 07:07:54,031 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4036 transitions. Word has length 211 [2018-11-07 07:07:54,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:54,032 INFO L480 AbstractCegarLoop]: Abstraction has 2947 states and 4036 transitions. [2018-11-07 07:07:54,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:07:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4036 transitions. [2018-11-07 07:07:54,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-07 07:07:54,043 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:54,043 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:07:54,044 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:54,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:54,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1563344608, now seen corresponding path program 1 times [2018-11-07 07:07:54,044 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:54,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:54,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:54,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:54,046 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:54,501 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 92 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-07 07:07:54,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:54,501 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:54,501 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-11-07 07:07:54,502 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [807], [809], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:07:54,512 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:54,512 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:54,984 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:07:54,984 INFO L272 AbstractInterpreter]: Visited 148 different actions 588 times. Merged at 8 different actions 29 times. Never widened. Found 8 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 07:07:55,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:55,022 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:07:55,280 INFO L227 lantSequenceWeakener]: Weakened 225 states. On average, predicates are now at 85.06% of their original sizes. [2018-11-07 07:07:55,280 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:07:55,511 INFO L415 sIntCurrentIteration]: We unified 229 AI predicates to 229 [2018-11-07 07:07:55,511 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:07:55,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:07:55,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-07 07:07:55,512 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:55,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 07:07:55,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 07:07:55,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:07:55,513 INFO L87 Difference]: Start difference. First operand 2947 states and 4036 transitions. Second operand 9 states. [2018-11-07 07:08:01,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:01,122 INFO L93 Difference]: Finished difference Result 7306 states and 10315 transitions. [2018-11-07 07:08:01,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-07 07:08:01,122 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 230 [2018-11-07 07:08:01,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:01,142 INFO L225 Difference]: With dead ends: 7306 [2018-11-07 07:08:01,142 INFO L226 Difference]: Without dead ends: 4365 [2018-11-07 07:08:01,153 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 240 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2018-11-07 07:08:01,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2018-11-07 07:08:01,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 4322. [2018-11-07 07:08:01,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4322 states. [2018-11-07 07:08:01,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4322 states to 4322 states and 5710 transitions. [2018-11-07 07:08:01,253 INFO L78 Accepts]: Start accepts. Automaton has 4322 states and 5710 transitions. Word has length 230 [2018-11-07 07:08:01,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:01,253 INFO L480 AbstractCegarLoop]: Abstraction has 4322 states and 5710 transitions. [2018-11-07 07:08:01,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 07:08:01,253 INFO L276 IsEmpty]: Start isEmpty. Operand 4322 states and 5710 transitions. [2018-11-07 07:08:01,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-07 07:08:01,269 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:01,270 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:08:01,270 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:01,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:01,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1882991460, now seen corresponding path program 1 times [2018-11-07 07:08:01,271 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:01,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:01,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:01,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:01,272 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:01,535 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 07:08:01,891 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-07 07:08:02,074 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 104 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:08:02,075 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:02,075 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:08:02,075 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-11-07 07:08:02,076 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [207], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [807], [809], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:08:02,079 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:08:02,079 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:08:02,358 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:08:02,358 INFO L272 AbstractInterpreter]: Visited 150 different actions 442 times. Merged at 8 different actions 20 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 07:08:02,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:02,374 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:08:02,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:02,374 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:08:02,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:02,386 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:08:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:02,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:08:02,955 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 07:08:02,955 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:08:03,930 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 07:08:03,952 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:08:03,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-07 07:08:03,953 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:08:03,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 07:08:03,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 07:08:03,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2018-11-07 07:08:03,954 INFO L87 Difference]: Start difference. First operand 4322 states and 5710 transitions. Second operand 15 states. [2018-11-07 07:08:05,348 WARN L179 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 15 [2018-11-07 07:08:10,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:10,033 INFO L93 Difference]: Finished difference Result 10319 states and 14049 transitions. [2018-11-07 07:08:10,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 07:08:10,034 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 234 [2018-11-07 07:08:10,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:10,035 INFO L225 Difference]: With dead ends: 10319 [2018-11-07 07:08:10,035 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 07:08:10,076 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 475 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2018-11-07 07:08:10,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 07:08:10,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 07:08:10,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 07:08:10,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 07:08:10,078 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 234 [2018-11-07 07:08:10,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:10,078 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 07:08:10,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 07:08:10,078 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 07:08:10,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 07:08:10,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 07:08:10,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:10,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:10,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:10,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:10,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:10,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:10,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:10,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:10,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:10,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:10,514 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 17 [2018-11-07 07:08:11,186 WARN L179 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 58 [2018-11-07 07:08:11,334 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 43 [2018-11-07 07:08:11,681 WARN L179 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2018-11-07 07:08:11,684 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:08:11,685 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a25~0)| ~a25~0)) [2018-11-07 07:08:11,685 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:08:11,685 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,685 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,685 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,685 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,685 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,685 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 07:08:11,685 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 07:08:11,685 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 07:08:11,685 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 07:08:11,686 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 07:08:11,686 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 07:08:11,686 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 07:08:11,686 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 07:08:11,686 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 07:08:11,686 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 07:08:11,686 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 07:08:11,686 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 07:08:11,687 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 07:08:11,687 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,687 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,687 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,687 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,687 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,687 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 07:08:11,687 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 07:08:11,687 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 07:08:11,688 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 07:08:11,688 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 07:08:11,688 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 07:08:11,688 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 07:08:11,688 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 07:08:11,688 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 07:08:11,688 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 07:08:11,688 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 07:08:11,689 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 07:08:11,689 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 07:08:11,689 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 07:08:11,689 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 07:08:11,689 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 07:08:11,689 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,689 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,689 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,689 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,690 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,690 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 07:08:11,690 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 07:08:11,690 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 07:08:11,690 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 07:08:11,690 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 07:08:11,690 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 07:08:11,690 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 07:08:11,691 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 07:08:11,691 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 07:08:11,691 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 07:08:11,691 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 577) no Hoare annotation was computed. [2018-11-07 07:08:11,691 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 07:08:11,691 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,691 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,692 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,692 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,692 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,692 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 07:08:11,692 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 07:08:11,692 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 07:08:11,692 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 07:08:11,692 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 07:08:11,692 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 07:08:11,693 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 07:08:11,693 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 07:08:11,693 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 07:08:11,693 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 07:08:11,693 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 07:08:11,693 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 07:08:11,693 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 07:08:11,693 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,693 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,694 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,694 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,694 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,694 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 07:08:11,694 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 07:08:11,694 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 07:08:11,694 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 07:08:11,694 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 07:08:11,695 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 07:08:11,695 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 07:08:11,695 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 07:08:11,695 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 07:08:11,695 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 07:08:11,695 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 07:08:11,695 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 07:08:11,695 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 07:08:11,696 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 07:08:11,696 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 07:08:11,696 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 07:08:11,696 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,696 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,696 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,696 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,696 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,697 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 07:08:11,697 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 07:08:11,697 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,697 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 07:08:11,697 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 07:08:11,697 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 07:08:11,697 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,697 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,697 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 07:08:11,698 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 07:08:11,698 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 07:08:11,698 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 07:08:11,698 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 07:08:11,698 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 07:08:11,698 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 07:08:11,698 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 07:08:11,698 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 07:08:11,698 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 07:08:11,698 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 07:08:11,699 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,699 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,699 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,699 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,699 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,699 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,699 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 07:08:11,699 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 07:08:11,700 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 07:08:11,700 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 07:08:11,700 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 07:08:11,700 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 07:08:11,700 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 07:08:11,700 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 07:08:11,700 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 07:08:11,700 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 07:08:11,700 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 07:08:11,701 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,701 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,701 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,701 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,701 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,702 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,702 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 07:08:11,702 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 07:08:11,702 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 07:08:11,702 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 07:08:11,702 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 07:08:11,702 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 07:08:11,702 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 07:08:11,703 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 07:08:11,703 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 07:08:11,703 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 07:08:11,703 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 07:08:11,703 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 07:08:11,703 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 07:08:11,703 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 07:08:11,703 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,704 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,704 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,704 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,704 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= |old(~a28~0)| ~a28~0)) (.cse4 (= 7 ~a17~0)) (.cse11 (= |old(~a25~0)| ~a25~0))) (let ((.cse1 (= 1 |old(~a25~0)|)) (.cse2 (not (= 1 |old(~a19~0)|))) (.cse8 (= 0 |old(~a28~0)|)) (.cse9 (not (= 8 |old(~a17~0)|))) (.cse10 (= |calculate_output_#in~input| 0)) (.cse0 (not (= 1 ~a21~0))) (.cse7 (= |old(~a17~0)| |old(~a28~0)|)) (.cse6 (and .cse3 .cse4 .cse11)) (.cse5 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 (not (= 7 |old(~a28~0)|)) (not .cse1) .cse2 (not (= 1 |old(~a11~0)|)) (and .cse3 (= 1 ~a11~0) .cse4 (= 1 ~a25~0) (= 1 ~a19~0)) .cse5) (or .cse0 .cse6 .cse7 .cse1 .cse5) (or .cse0 .cse2 .cse8 (= ~a11~0 0) (not (= 0 |old(~a11~0)|)) .cse9 .cse10) (or .cse0 (and .cse3 (= ~a17~0 |old(~a17~0)|) .cse11) (not (= |old(~a17~0)| 8))) (or .cse0 (= ~a19~0 1) .cse2 .cse8 .cse9 .cse10) (or .cse0 (= 10 |old(~a28~0)|) .cse7 .cse6 .cse5)))) [2018-11-07 07:08:11,704 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,704 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,704 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 07:08:11,704 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 07:08:11,705 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 07:08:11,705 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 07:08:11,705 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 07:08:11,705 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 07:08:11,705 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 07:08:11,705 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 07:08:11,705 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 07:08:11,705 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 07:08:11,705 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 07:08:11,705 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 07:08:11,705 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 07:08:11,705 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,706 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,706 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,706 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,706 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,706 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,706 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 07:08:11,706 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 07:08:11,706 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 07:08:11,707 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 07:08:11,707 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 07:08:11,707 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 07:08:11,707 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 07:08:11,707 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 07:08:11,707 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 07:08:11,707 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 07:08:11,707 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 07:08:11,708 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 07:08:11,708 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 07:08:11,708 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 07:08:11,708 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 07:08:11,708 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 07:08:11,708 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,708 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,708 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,709 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,709 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:11,709 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 07:08:11,709 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 07:08:11,709 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 07:08:11,709 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 07:08:11,709 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 07:08:11,709 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 07:08:11,710 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 07:08:11,710 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 07:08:11,710 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 07:08:11,710 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 07:08:11,710 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 07:08:11,710 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 07:08:11,710 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 07:08:11,710 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 07:08:11,710 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 07:08:11,711 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 07:08:11,711 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 07:08:11,711 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 07:08:11,711 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 07:08:11,711 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:08:11,711 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-07 07:08:11,711 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 07:08:11,711 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:08:11,711 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= |old(~a25~0)| ~a25~0) (= ~a19~0 1) (= ~a28~0 7)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-07 07:08:11,712 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 07:08:11,712 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 ~a17~0))) (.cse1 (= 7 ~a17~0)) (.cse2 (not (= ~a28~0 10)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (not (= ~a25~0 1)) .cse1) (= |old(~a17~0)| ~a17~0) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse2) (and (= 1 ~a11~0) .cse1 (= 1 ~a25~0) (= 1 ~a19~0) .cse2) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-07 07:08:11,712 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 07:08:11,712 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 07:08:11,712 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 ~a17~0))) (.cse1 (= 7 ~a17~0)) (.cse2 (not (= ~a28~0 10)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (not (= ~a25~0 1)) .cse1) (= |old(~a17~0)| ~a17~0) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse2) (and (= 1 ~a11~0) .cse1 (= 1 ~a25~0) (= 1 ~a19~0) .cse2) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-07 07:08:11,712 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 07:08:11,713 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 07:08:11,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:08:11 BoogieIcfgContainer [2018-11-07 07:08:11,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 07:08:11,726 INFO L168 Benchmark]: Toolchain (without parser) took 58966.31 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -791.9 MB). Peak memory consumption was 781.0 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:11,727 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 07:08:11,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.52 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:11,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.46 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 726.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -802.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:11,729 INFO L168 Benchmark]: Boogie Preprocessor took 120.40 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:11,730 INFO L168 Benchmark]: RCFGBuilder took 3078.41 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:11,730 INFO L168 Benchmark]: TraceAbstraction took 54982.40 ms. Allocated memory was 2.2 GB in the beginning and 3.1 GB in the end (delta: 846.7 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -140.7 MB). Peak memory consumption was 706.0 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:11,735 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 656.52 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 123.46 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 726.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -802.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.40 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3078.41 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 54982.40 ms. Allocated memory was 2.2 GB in the beginning and 3.1 GB in the end (delta: 846.7 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -140.7 MB). Peak memory consumption was 706.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 577]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((!(1 == a21) || !(7 == \old(a28))) || ((!(a28 == a17) && !(a25 == 1)) && 7 == a17)) || \old(a17) == a17) || !(0 == \old(a11))) || ((!(a28 == a17) && 7 == a17) && !(a28 == 10))) || ((((1 == a11 && 7 == a17) && 1 == a25) && 1 == a19) && !(a28 == 10))) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 54.9s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 42.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1457 SDtfs, 7251 SDslu, 2058 SDs, 0 SdLazy, 9665 SolverSat, 2378 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.4s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1412 GetRequests, 1300 SyntacticMatches, 7 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4322occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.1s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.997788013885924 AbsIntWeakeningRatio, 0.17360285374554102 AbsIntAvgWeakeningVarsNumRemoved, 26.77883472057075 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 125 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 120 PreInvPairs, 188 NumberOfFragments, 368 HoareAnnotationTreeSize, 120 FomulaSimplifications, 5989 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2951 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 1985 NumberOfCodeBlocks, 1985 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2208 ConstructedInterpolants, 0 QuantifiedInterpolants, 1393097 SizeOfPredicates, 1 NumberOfNonLiveVariables, 533 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 717/814 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...