java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 19:58:54,730 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 19:58:54,732 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 19:58:54,749 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 19:58:54,749 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 19:58:54,751 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 19:58:54,753 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 19:58:54,757 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 19:58:54,758 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 19:58:54,762 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 19:58:54,764 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 19:58:54,765 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 19:58:54,766 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 19:58:54,767 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 19:58:54,768 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 19:58:54,769 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 19:58:54,770 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 19:58:54,781 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 19:58:54,784 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 19:58:54,786 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 19:58:54,790 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 19:58:54,792 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 19:58:54,796 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 19:58:54,797 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 19:58:54,797 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 19:58:54,798 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 19:58:54,799 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 19:58:54,800 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 19:58:54,800 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 19:58:54,803 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 19:58:54,803 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 19:58:54,804 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-23 19:58:54,808 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-23 19:58:54,838 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 19:58:54,839 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 19:58:54,840 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 19:58:54,840 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 19:58:54,840 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 19:58:54,841 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 19:58:54,841 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 19:58:54,841 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 19:58:54,841 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 19:58:54,841 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 19:58:54,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 19:58:54,842 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 19:58:54,842 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 19:58:54,842 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 19:58:54,842 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 19:58:54,843 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 19:58:54,843 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 19:58:54,843 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 19:58:54,843 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 19:58:54,843 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 19:58:54,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 19:58:54,844 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 19:58:54,844 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 19:58:54,844 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 19:58:54,844 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 19:58:54,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 19:58:54,845 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 19:58:54,845 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 19:58:54,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 19:58:54,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 19:58:54,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 19:58:54,905 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 19:58:54,906 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 19:58:54,906 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38_true-unreach-call.c [2018-10-23 19:58:54,967 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/fda21f06c/7ec90f7471d54caa9d16cd60ae8963e7/FLAGb55107833 [2018-10-23 19:58:55,565 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 19:58:55,570 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label38_true-unreach-call.c [2018-10-23 19:58:55,586 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/fda21f06c/7ec90f7471d54caa9d16cd60ae8963e7/FLAGb55107833 [2018-10-23 19:58:55,601 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/fda21f06c/7ec90f7471d54caa9d16cd60ae8963e7 [2018-10-23 19:58:55,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 19:58:55,612 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 19:58:55,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 19:58:55,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 19:58:55,618 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 19:58:55,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 07:58:55" (1/1) ... [2018-10-23 19:58:55,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33fe9958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:55, skipping insertion in model container [2018-10-23 19:58:55,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 07:58:55" (1/1) ... [2018-10-23 19:58:55,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 19:58:55,709 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 19:58:56,183 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 19:58:56,190 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 19:58:56,303 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 19:58:56,322 INFO L193 MainTranslator]: Completed translation [2018-10-23 19:58:56,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:56 WrapperNode [2018-10-23 19:58:56,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 19:58:56,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 19:58:56,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 19:58:56,324 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 19:58:56,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:56" (1/1) ... [2018-10-23 19:58:56,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:56" (1/1) ... [2018-10-23 19:58:56,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 19:58:56,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 19:58:56,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 19:58:56,543 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 19:58:56,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:56" (1/1) ... [2018-10-23 19:58:56,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:56" (1/1) ... [2018-10-23 19:58:56,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:56" (1/1) ... [2018-10-23 19:58:56,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:56" (1/1) ... [2018-10-23 19:58:56,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:56" (1/1) ... [2018-10-23 19:58:56,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:56" (1/1) ... [2018-10-23 19:58:56,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:56" (1/1) ... [2018-10-23 19:58:56,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 19:58:56,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 19:58:56,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 19:58:56,627 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 19:58:56,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-23 19:58:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-23 19:58:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 19:58:56,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 19:59:00,015 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 19:59:00,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 07:59:00 BoogieIcfgContainer [2018-10-23 19:59:00,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 19:59:00,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 19:59:00,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 19:59:00,021 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 19:59:00,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 07:58:55" (1/3) ... [2018-10-23 19:59:00,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66843ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 07:59:00, skipping insertion in model container [2018-10-23 19:59:00,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:56" (2/3) ... [2018-10-23 19:59:00,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66843ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 07:59:00, skipping insertion in model container [2018-10-23 19:59:00,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 07:59:00" (3/3) ... [2018-10-23 19:59:00,025 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label38_true-unreach-call.c [2018-10-23 19:59:00,036 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 19:59:00,044 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 19:59:00,059 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 19:59:00,100 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 19:59:00,101 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 19:59:00,101 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 19:59:00,102 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 19:59:00,102 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 19:59:00,102 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 19:59:00,102 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 19:59:00,103 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 19:59:00,103 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 19:59:00,126 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-10-23 19:59:00,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-23 19:59:00,139 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 19:59:00,142 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] [2018-10-23 19:59:00,145 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 19:59:00,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 19:59:00,151 INFO L82 PathProgramCache]: Analyzing trace with hash 575043410, now seen corresponding path program 1 times [2018-10-23 19:59:00,153 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 19:59:00,154 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 19:59:00,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:59:00,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 19:59:00,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:59:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 19:59:00,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 19:59:00,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 19:59:00,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 19:59:00,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 19:59:00,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 19:59:00,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 19:59:00,604 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2018-10-23 19:59:03,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 19:59:03,880 INFO L93 Difference]: Finished difference Result 713 states and 1265 transitions. [2018-10-23 19:59:03,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 19:59:03,883 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-10-23 19:59:03,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 19:59:03,906 INFO L225 Difference]: With dead ends: 713 [2018-10-23 19:59:03,907 INFO L226 Difference]: Without dead ends: 499 [2018-10-23 19:59:03,911 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 19:59:03,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2018-10-23 19:59:03,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2018-10-23 19:59:03,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2018-10-23 19:59:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 826 transitions. [2018-10-23 19:59:03,996 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 826 transitions. Word has length 33 [2018-10-23 19:59:03,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 19:59:03,996 INFO L481 AbstractCegarLoop]: Abstraction has 499 states and 826 transitions. [2018-10-23 19:59:03,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 19:59:03,997 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 826 transitions. [2018-10-23 19:59:04,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-23 19:59:04,002 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 19:59:04,002 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 19:59:04,003 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 19:59:04,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 19:59:04,003 INFO L82 PathProgramCache]: Analyzing trace with hash -904216816, now seen corresponding path program 1 times [2018-10-23 19:59:04,004 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 19:59:04,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 19:59:04,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:59:04,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 19:59:04,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:59:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 19:59:04,311 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 19:59:04,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 19:59:04,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 19:59:04,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 19:59:04,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 19:59:04,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 19:59:04,315 INFO L87 Difference]: Start difference. First operand 499 states and 826 transitions. Second operand 4 states. [2018-10-23 19:59:05,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 19:59:05,971 INFO L93 Difference]: Finished difference Result 1836 states and 3146 transitions. [2018-10-23 19:59:05,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 19:59:05,972 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-10-23 19:59:05,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 19:59:05,982 INFO L225 Difference]: With dead ends: 1836 [2018-10-23 19:59:05,982 INFO L226 Difference]: Without dead ends: 1339 [2018-10-23 19:59:05,986 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 19:59:05,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2018-10-23 19:59:06,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1339. [2018-10-23 19:59:06,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1339 states. [2018-10-23 19:59:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 2042 transitions. [2018-10-23 19:59:06,056 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 2042 transitions. Word has length 104 [2018-10-23 19:59:06,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 19:59:06,057 INFO L481 AbstractCegarLoop]: Abstraction has 1339 states and 2042 transitions. [2018-10-23 19:59:06,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 19:59:06,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 2042 transitions. [2018-10-23 19:59:06,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-23 19:59:06,062 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 19:59:06,062 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 19:59:06,063 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 19:59:06,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 19:59:06,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1666782807, now seen corresponding path program 1 times [2018-10-23 19:59:06,063 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 19:59:06,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 19:59:06,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:59:06,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 19:59:06,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:59:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 19:59:06,275 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 19:59:06,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 19:59:06,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 19:59:06,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 19:59:06,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 19:59:06,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 19:59:06,277 INFO L87 Difference]: Start difference. First operand 1339 states and 2042 transitions. Second operand 4 states. [2018-10-23 19:59:10,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 19:59:10,076 INFO L93 Difference]: Finished difference Result 4771 states and 7257 transitions. [2018-10-23 19:59:10,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 19:59:10,078 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-10-23 19:59:10,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 19:59:10,090 INFO L225 Difference]: With dead ends: 4771 [2018-10-23 19:59:10,090 INFO L226 Difference]: Without dead ends: 2149 [2018-10-23 19:59:10,094 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 19:59:10,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2018-10-23 19:59:10,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 2149. [2018-10-23 19:59:10,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2149 states. [2018-10-23 19:59:10,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 2922 transitions. [2018-10-23 19:59:10,135 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 2922 transitions. Word has length 109 [2018-10-23 19:59:10,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 19:59:10,136 INFO L481 AbstractCegarLoop]: Abstraction has 2149 states and 2922 transitions. [2018-10-23 19:59:10,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 19:59:10,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2922 transitions. [2018-10-23 19:59:10,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-23 19:59:10,140 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 19:59:10,140 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 19:59:10,140 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 19:59:10,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 19:59:10,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1426061688, now seen corresponding path program 1 times [2018-10-23 19:59:10,141 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 19:59:10,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 19:59:10,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:59:10,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 19:59:10,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:59:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 19:59:10,323 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 19:59:10,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 19:59:10,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 19:59:10,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 19:59:10,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 19:59:10,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 19:59:10,325 INFO L87 Difference]: Start difference. First operand 2149 states and 2922 transitions. Second operand 4 states. [2018-10-23 19:59:11,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 19:59:11,556 INFO L93 Difference]: Finished difference Result 5975 states and 8120 transitions. [2018-10-23 19:59:11,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 19:59:11,558 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2018-10-23 19:59:11,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 19:59:11,575 INFO L225 Difference]: With dead ends: 5975 [2018-10-23 19:59:11,576 INFO L226 Difference]: Without dead ends: 3828 [2018-10-23 19:59:11,579 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 19:59:11,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2018-10-23 19:59:11,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3408. [2018-10-23 19:59:11,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3408 states. [2018-10-23 19:59:11,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 3408 states and 4288 transitions. [2018-10-23 19:59:11,650 INFO L78 Accepts]: Start accepts. Automaton has 3408 states and 4288 transitions. Word has length 152 [2018-10-23 19:59:11,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 19:59:11,650 INFO L481 AbstractCegarLoop]: Abstraction has 3408 states and 4288 transitions. [2018-10-23 19:59:11,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 19:59:11,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3408 states and 4288 transitions. [2018-10-23 19:59:11,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-10-23 19:59:11,660 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 19:59:11,660 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 19:59:11,661 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 19:59:11,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 19:59:11,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1166985398, now seen corresponding path program 1 times [2018-10-23 19:59:11,661 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 19:59:11,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 19:59:11,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:59:11,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 19:59:11,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:59:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 19:59:11,958 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-23 19:59:11,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 19:59:11,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 19:59:11,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 19:59:11,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 19:59:11,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 19:59:11,961 INFO L87 Difference]: Start difference. First operand 3408 states and 4288 transitions. Second operand 4 states. [2018-10-23 19:59:13,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 19:59:13,851 INFO L93 Difference]: Finished difference Result 8914 states and 11363 transitions. [2018-10-23 19:59:13,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 19:59:13,851 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 297 [2018-10-23 19:59:13,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 19:59:13,876 INFO L225 Difference]: With dead ends: 8914 [2018-10-23 19:59:13,876 INFO L226 Difference]: Without dead ends: 5508 [2018-10-23 19:59:13,881 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 19:59:13,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5508 states. [2018-10-23 19:59:13,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5508 to 5368. [2018-10-23 19:59:13,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5368 states. [2018-10-23 19:59:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5368 states to 5368 states and 6567 transitions. [2018-10-23 19:59:13,975 INFO L78 Accepts]: Start accepts. Automaton has 5368 states and 6567 transitions. Word has length 297 [2018-10-23 19:59:13,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 19:59:13,975 INFO L481 AbstractCegarLoop]: Abstraction has 5368 states and 6567 transitions. [2018-10-23 19:59:13,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 19:59:13,976 INFO L276 IsEmpty]: Start isEmpty. Operand 5368 states and 6567 transitions. [2018-10-23 19:59:13,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-10-23 19:59:13,990 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 19:59:13,990 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 19:59:13,991 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 19:59:13,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 19:59:13,991 INFO L82 PathProgramCache]: Analyzing trace with hash 147983150, now seen corresponding path program 1 times [2018-10-23 19:59:13,991 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 19:59:13,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 19:59:13,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:59:13,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 19:59:13,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:59:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 19:59:14,494 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 271 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-23 19:59:14,495 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 19:59:14,495 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-23 19:59:14,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 19:59:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 19:59:14,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 19:59:14,873 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-23 19:59:14,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 19:59:14,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-10-23 19:59:14,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 19:59:14,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 19:59:14,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 19:59:14,910 INFO L87 Difference]: Start difference. First operand 5368 states and 6567 transitions. Second operand 5 states. [2018-10-23 19:59:20,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 19:59:20,869 INFO L93 Difference]: Finished difference Result 9459 states and 11643 transitions. [2018-10-23 19:59:20,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 19:59:20,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 333 [2018-10-23 19:59:20,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 19:59:20,870 INFO L225 Difference]: With dead ends: 9459 [2018-10-23 19:59:20,870 INFO L226 Difference]: Without dead ends: 0 [2018-10-23 19:59:20,878 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 333 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 19:59:20,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-23 19:59:20,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-23 19:59:20,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-23 19:59:20,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-23 19:59:20,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 333 [2018-10-23 19:59:20,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 19:59:20,880 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-23 19:59:20,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 19:59:20,880 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-23 19:59:20,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-23 19:59:20,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-23 19:59:22,991 WARN L179 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2018-10-23 19:59:24,220 WARN L179 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2018-10-23 19:59:24,224 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-10-23 19:59:24,224 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,224 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,225 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,225 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,225 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,225 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,225 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-10-23 19:59:24,226 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-10-23 19:59:24,226 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-23 19:59:24,226 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-23 19:59:24,226 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-23 19:59:24,226 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-23 19:59:24,226 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-23 19:59:24,227 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-23 19:59:24,227 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-10-23 19:59:24,227 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-10-23 19:59:24,227 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-10-23 19:59:24,227 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,227 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,227 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,228 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,228 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,228 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-10-23 19:59:24,228 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-10-23 19:59:24,228 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-10-23 19:59:24,228 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-10-23 19:59:24,228 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-23 19:59:24,228 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-23 19:59:24,229 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-23 19:59:24,229 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-23 19:59:24,229 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-23 19:59:24,229 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-10-23 19:59:24,229 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-10-23 19:59:24,229 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-10-23 19:59:24,230 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-10-23 19:59:24,230 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-10-23 19:59:24,230 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,230 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,230 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,230 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,231 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,231 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-10-23 19:59:24,231 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-23 19:59:24,231 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-23 19:59:24,231 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-23 19:59:24,231 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-23 19:59:24,231 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-23 19:59:24,232 INFO L421 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (<= ~a1~0 218)) (.cse1 (not (= ~a19~0 7))) (.cse3 (not (= ~a19~0 10))) (.cse4 (<= 1 ~a10~0)) (.cse5 (= ~a19~0 9)) (.cse2 (= ~a10~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (= ~a10~0 2)) (= ~a19~0 8) (= ~a10~0 1) (and .cse0 .cse1 .cse3 .cse4) (and .cse4 .cse5) (and .cse5 .cse2))) [2018-10-23 19:59:24,232 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-10-23 19:59:24,232 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-10-23 19:59:24,232 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-10-23 19:59:24,232 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-10-23 19:59:24,233 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,233 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,233 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,233 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,233 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,233 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-10-23 19:59:24,233 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-10-23 19:59:24,234 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-10-23 19:59:24,234 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-23 19:59:24,234 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-23 19:59:24,234 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-23 19:59:24,234 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-23 19:59:24,234 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-23 19:59:24,234 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-10-23 19:59:24,234 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-10-23 19:59:24,235 INFO L428 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2018-10-23 19:59:24,235 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-10-23 19:59:24,235 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-10-23 19:59:24,235 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-10-23 19:59:24,235 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,235 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,235 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,236 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,236 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,236 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-23 19:59:24,236 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-23 19:59:24,236 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-23 19:59:24,236 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-23 19:59:24,236 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-23 19:59:24,237 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-10-23 19:59:24,237 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-10-23 19:59:24,237 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-10-23 19:59:24,237 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-10-23 19:59:24,237 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,237 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,237 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,237 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,237 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,237 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-10-23 19:59:24,238 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-10-23 19:59:24,238 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-10-23 19:59:24,238 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-10-23 19:59:24,238 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-23 19:59:24,238 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-23 19:59:24,238 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-23 19:59:24,238 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-23 19:59:24,238 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-23 19:59:24,238 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-10-23 19:59:24,239 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-10-23 19:59:24,239 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-23 19:59:24,239 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-10-23 19:59:24,239 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-10-23 19:59:24,239 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a1~0 218)) (.cse1 (not (= ~a19~0 7))) (.cse3 (not (= ~a19~0 10))) (.cse4 (<= 1 ~a10~0)) (.cse5 (= ~a19~0 9)) (.cse2 (= ~a10~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (= ~a10~0 2)) (= ~a19~0 8) (= ~a10~0 1) (and .cse0 .cse1 .cse3 .cse4) (and .cse4 .cse5) (and .cse5 .cse2))) [2018-10-23 19:59:24,239 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-10-23 19:59:24,240 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,240 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,240 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,240 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,240 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,240 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-23 19:59:24,240 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,240 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-10-23 19:59:24,241 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-10-23 19:59:24,241 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-10-23 19:59:24,241 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-23 19:59:24,241 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-23 19:59:24,241 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-23 19:59:24,241 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-23 19:59:24,241 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-23 19:59:24,241 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-23 19:59:24,241 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-10-23 19:59:24,242 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-10-23 19:59:24,242 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-10-23 19:59:24,242 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-10-23 19:59:24,242 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,242 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,242 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,242 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,242 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,243 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,243 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-10-23 19:59:24,243 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-10-23 19:59:24,243 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-10-23 19:59:24,243 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-23 19:59:24,243 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-23 19:59:24,243 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-23 19:59:24,244 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-23 19:59:24,244 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-23 19:59:24,244 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-23 19:59:24,244 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-23 19:59:24,244 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-10-23 19:59:24,244 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-10-23 19:59:24,244 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-10-23 19:59:24,245 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-10-23 19:59:24,245 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-10-23 19:59:24,245 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-10-23 19:59:24,245 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,245 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,245 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,246 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,246 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,246 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,246 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-10-23 19:59:24,246 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-23 19:59:24,246 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-23 19:59:24,246 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-23 19:59:24,247 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-23 19:59:24,247 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-23 19:59:24,247 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-23 19:59:24,247 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-23 19:59:24,247 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-10-23 19:59:24,247 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-10-23 19:59:24,247 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-10-23 19:59:24,247 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-10-23 19:59:24,248 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-10-23 19:59:24,248 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-10-23 19:59:24,248 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,248 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,248 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,248 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,248 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,248 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,249 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-10-23 19:59:24,249 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-10-23 19:59:24,249 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-10-23 19:59:24,249 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-23 19:59:24,249 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-23 19:59:24,249 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-23 19:59:24,249 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-23 19:59:24,249 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-23 19:59:24,249 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-23 19:59:24,250 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-10-23 19:59:24,250 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-10-23 19:59:24,250 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-23 19:59:24,250 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-10-23 19:59:24,250 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,250 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,250 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,250 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,250 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,251 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:59:24,251 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-10-23 19:59:24,251 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-10-23 19:59:24,251 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-10-23 19:59:24,251 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-23 19:59:24,251 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-23 19:59:24,251 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-23 19:59:24,251 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-23 19:59:24,251 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-23 19:59:24,252 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-23 19:59:24,252 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-10-23 19:59:24,252 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-10-23 19:59:24,252 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-10-23 19:59:24,252 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2018-10-23 19:59:24,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 07:59:24 BoogieIcfgContainer [2018-10-23 19:59:24,282 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 19:59:24,283 INFO L168 Benchmark]: Toolchain (without parser) took 28671.39 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -667.3 MB). Peak memory consumption was 411.7 MB. Max. memory is 7.1 GB. [2018-10-23 19:59:24,286 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 19:59:24,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.92 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2018-10-23 19:59:24,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 218.64 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 717.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -795.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-23 19:59:24,293 INFO L168 Benchmark]: Boogie Preprocessor took 83.67 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 19:59:24,295 INFO L168 Benchmark]: RCFGBuilder took 3389.50 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 118.3 MB). Peak memory consumption was 118.3 MB. Max. memory is 7.1 GB. [2018-10-23 19:59:24,297 INFO L168 Benchmark]: TraceAbstraction took 24264.37 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 361.2 MB). Free memory was 2.0 GB in the beginning and 2.1 GB in the end (delta: -24.5 MB). Peak memory consumption was 336.8 MB. Max. memory is 7.1 GB. [2018-10-23 19:59:24,306 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 709.92 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 218.64 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 717.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -795.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.67 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3389.50 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 118.3 MB). Peak memory consumption was 118.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24264.37 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 361.2 MB). Free memory was 2.0 GB in the beginning and 2.1 GB in the end (delta: -24.5 MB). Peak memory consumption was 336.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 100]: 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: 582]: Loop Invariant Derived loop invariant: (((((((a1 <= 218 && !(a19 == 7)) && a10 == 0) || ((a1 <= 218 && !(a19 == 10)) && a10 == 2)) || a19 == 8) || a10 == 1) || (((a1 <= 218 && !(a19 == 7)) && !(a19 == 10)) && 1 <= a10)) || (1 <= a10 && a19 == 9)) || (a19 == 9 && a10 == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((a1 <= 218 && !(a19 == 7)) && a10 == 0) || ((a1 <= 218 && !(a19 == 10)) && a10 == 2)) || a19 == 8) || a10 == 1) || (((a1 <= 218 && !(a19 == 7)) && !(a19 == 10)) && 1 <= a10)) || (1 <= a10 && a19 == 9)) || (a19 == 9 && a10 == 0) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. SAFE Result, 24.1s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 17.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 661 SDtfs, 1880 SDslu, 337 SDs, 0 SdLazy, 4584 SolverSat, 1180 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 357 GetRequests, 340 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5368occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 560 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 82 NumberOfFragments, 117 HoareAnnotationTreeSize, 3 FomulaSimplifications, 786 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 466 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1361 NumberOfCodeBlocks, 1361 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1354 ConstructedInterpolants, 0 QuantifiedInterpolants, 785783 SizeOfPredicates, 0 NumberOfNonLiveVariables, 448 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 1065/1072 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...