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/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-df4b876 [2018-11-06 21:01:12,775 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 21:01:12,780 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 21:01:12,801 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 21:01:12,802 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 21:01:12,803 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 21:01:12,807 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 21:01:12,810 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 21:01:12,811 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 21:01:12,813 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 21:01:12,816 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 21:01:12,816 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 21:01:12,817 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 21:01:12,818 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 21:01:12,819 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 21:01:12,821 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 21:01:12,826 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 21:01:12,830 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 21:01:12,832 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 21:01:12,834 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 21:01:12,837 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 21:01:12,838 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 21:01:12,840 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-06 21:01:12,840 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-06 21:01:12,840 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-06 21:01:12,844 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-06 21:01:12,845 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-06 21:01:12,845 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-06 21:01:12,850 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-06 21:01:12,851 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-06 21:01:12,853 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-06 21:01:12,854 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-06 21:01:12,858 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-06 21:01:12,886 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 21:01:12,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 21:01:12,888 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 21:01:12,888 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 21:01:12,888 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 21:01:12,889 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 21:01:12,889 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 21:01:12,889 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 21:01:12,889 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 21:01:12,889 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 21:01:12,890 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 21:01:12,890 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 21:01:12,890 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 21:01:12,890 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 21:01:12,890 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 21:01:12,891 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 21:01:12,891 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 21:01:12,891 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 21:01:12,891 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 21:01:12,891 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 21:01:12,892 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 21:01:12,892 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 21:01:12,892 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 21:01:12,892 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 21:01:12,892 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 21:01:12,893 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 21:01:12,893 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 21:01:12,893 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 21:01:12,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 21:01:12,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 21:01:12,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 21:01:12,963 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 21:01:12,963 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 21:01:12,964 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38_true-unreach-call.c [2018-11-06 21:01:13,030 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/908eaaf87/ff0e5a9e045c4d1eaa529b9c563c96d2/FLAGc1e02e9e3 [2018-11-06 21:01:13,650 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 21:01:13,654 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label38_true-unreach-call.c [2018-11-06 21:01:13,671 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/908eaaf87/ff0e5a9e045c4d1eaa529b9c563c96d2/FLAGc1e02e9e3 [2018-11-06 21:01:13,692 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/908eaaf87/ff0e5a9e045c4d1eaa529b9c563c96d2 [2018-11-06 21:01:13,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 21:01:13,708 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 21:01:13,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 21:01:13,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 21:01:13,713 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 21:01:13,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:01:13" (1/1) ... [2018-11-06 21:01:13,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567b4d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:13, skipping insertion in model container [2018-11-06 21:01:13,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:01:13" (1/1) ... [2018-11-06 21:01:13,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 21:01:13,809 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 21:01:14,248 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 21:01:14,256 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 21:01:14,387 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 21:01:14,411 INFO L193 MainTranslator]: Completed translation [2018-11-06 21:01:14,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:14 WrapperNode [2018-11-06 21:01:14,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 21:01:14,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 21:01:14,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 21:01:14,413 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 21:01:14,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:14" (1/1) ... [2018-11-06 21:01:14,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:14" (1/1) ... [2018-11-06 21:01:14,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 21:01:14,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 21:01:14,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 21:01:14,606 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 21:01:14,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:14" (1/1) ... [2018-11-06 21:01:14,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:14" (1/1) ... [2018-11-06 21:01:14,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:14" (1/1) ... [2018-11-06 21:01:14,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:14" (1/1) ... [2018-11-06 21:01:14,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:14" (1/1) ... [2018-11-06 21:01:14,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:14" (1/1) ... [2018-11-06 21:01:14,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:14" (1/1) ... [2018-11-06 21:01:14,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 21:01:14,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 21:01:14,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 21:01:14,709 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 21:01:14,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:14" (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 [2018-11-06 21:01:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 21:01:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 21:01:14,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 21:01:18,013 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 21:01:18,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:01:18 BoogieIcfgContainer [2018-11-06 21:01:18,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 21:01:18,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 21:01:18,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 21:01:18,020 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 21:01:18,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:01:13" (1/3) ... [2018-11-06 21:01:18,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c16addf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:01:18, skipping insertion in model container [2018-11-06 21:01:18,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:14" (2/3) ... [2018-11-06 21:01:18,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c16addf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:01:18, skipping insertion in model container [2018-11-06 21:01:18,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:01:18" (3/3) ... [2018-11-06 21:01:18,026 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label38_true-unreach-call.c [2018-11-06 21:01:18,037 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 21:01:18,049 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 21:01:18,072 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 21:01:18,112 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 21:01:18,113 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 21:01:18,113 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 21:01:18,113 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 21:01:18,114 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 21:01:18,114 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 21:01:18,114 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 21:01:18,114 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 21:01:18,114 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 21:01:18,137 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-06 21:01:18,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-06 21:01:18,146 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:01:18,147 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] [2018-11-06 21:01:18,149 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:01:18,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:01:18,156 INFO L82 PathProgramCache]: Analyzing trace with hash 575043410, now seen corresponding path program 1 times [2018-11-06 21:01:18,158 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:01:18,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:01:18,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:01:18,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:01:18,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:01:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:01:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:01:18,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:01:18,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 21:01:18,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:01:18,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:01:18,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:01:18,647 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2018-11-06 21:01:21,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:01:21,218 INFO L93 Difference]: Finished difference Result 713 states and 1265 transitions. [2018-11-06 21:01:21,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:01:21,220 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-11-06 21:01:21,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:01:21,241 INFO L225 Difference]: With dead ends: 713 [2018-11-06 21:01:21,241 INFO L226 Difference]: Without dead ends: 499 [2018-11-06 21:01:21,246 INFO L604 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 [2018-11-06 21:01:21,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2018-11-06 21:01:21,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2018-11-06 21:01:21,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2018-11-06 21:01:21,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 826 transitions. [2018-11-06 21:01:21,318 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 826 transitions. Word has length 33 [2018-11-06 21:01:21,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:01:21,318 INFO L480 AbstractCegarLoop]: Abstraction has 499 states and 826 transitions. [2018-11-06 21:01:21,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:01:21,319 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 826 transitions. [2018-11-06 21:01:21,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-06 21:01:21,323 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:01:21,324 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] [2018-11-06 21:01:21,324 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:01:21,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:01:21,325 INFO L82 PathProgramCache]: Analyzing trace with hash -904216816, now seen corresponding path program 1 times [2018-11-06 21:01:21,325 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:01:21,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:01:21,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:01:21,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:01:21,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:01:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:01:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:01:21,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:01:21,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 21:01:21,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:01:21,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:01:21,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:01:21,622 INFO L87 Difference]: Start difference. First operand 499 states and 826 transitions. Second operand 4 states. [2018-11-06 21:01:23,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:01:23,342 INFO L93 Difference]: Finished difference Result 1836 states and 3146 transitions. [2018-11-06 21:01:23,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:01:23,343 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-11-06 21:01:23,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:01:23,353 INFO L225 Difference]: With dead ends: 1836 [2018-11-06 21:01:23,354 INFO L226 Difference]: Without dead ends: 1339 [2018-11-06 21:01:23,358 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:01:23,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2018-11-06 21:01:23,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1339. [2018-11-06 21:01:23,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1339 states. [2018-11-06 21:01:23,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 2042 transitions. [2018-11-06 21:01:23,427 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 2042 transitions. Word has length 104 [2018-11-06 21:01:23,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:01:23,428 INFO L480 AbstractCegarLoop]: Abstraction has 1339 states and 2042 transitions. [2018-11-06 21:01:23,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:01:23,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 2042 transitions. [2018-11-06 21:01:23,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-06 21:01:23,432 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:01:23,433 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] [2018-11-06 21:01:23,433 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:01:23,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:01:23,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1666782807, now seen corresponding path program 1 times [2018-11-06 21:01:23,434 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:01:23,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:01:23,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:01:23,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:01:23,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:01:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:01:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:01:23,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:01:23,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 21:01:23,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:01:23,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:01:23,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:01:23,647 INFO L87 Difference]: Start difference. First operand 1339 states and 2042 transitions. Second operand 4 states. [2018-11-06 21:01:27,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:01:27,624 INFO L93 Difference]: Finished difference Result 4771 states and 7257 transitions. [2018-11-06 21:01:27,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:01:27,625 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-11-06 21:01:27,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:01:27,636 INFO L225 Difference]: With dead ends: 4771 [2018-11-06 21:01:27,636 INFO L226 Difference]: Without dead ends: 2149 [2018-11-06 21:01:27,640 INFO L604 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 [2018-11-06 21:01:27,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2018-11-06 21:01:27,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 2149. [2018-11-06 21:01:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2149 states. [2018-11-06 21:01:27,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 2922 transitions. [2018-11-06 21:01:27,681 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 2922 transitions. Word has length 109 [2018-11-06 21:01:27,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:01:27,684 INFO L480 AbstractCegarLoop]: Abstraction has 2149 states and 2922 transitions. [2018-11-06 21:01:27,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:01:27,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2922 transitions. [2018-11-06 21:01:27,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-06 21:01:27,692 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:01:27,692 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] [2018-11-06 21:01:27,692 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:01:27,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:01:27,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1426061688, now seen corresponding path program 1 times [2018-11-06 21:01:27,695 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:01:27,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:01:27,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:01:27,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:01:27,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:01:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:01:28,111 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:01:28,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:01:28,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 21:01:28,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:01:28,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:01:28,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:01:28,113 INFO L87 Difference]: Start difference. First operand 2149 states and 2922 transitions. Second operand 4 states. [2018-11-06 21:01:29,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:01:29,570 INFO L93 Difference]: Finished difference Result 5975 states and 8120 transitions. [2018-11-06 21:01:29,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:01:29,571 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2018-11-06 21:01:29,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:01:29,589 INFO L225 Difference]: With dead ends: 5975 [2018-11-06 21:01:29,589 INFO L226 Difference]: Without dead ends: 3828 [2018-11-06 21:01:29,593 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:01:29,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2018-11-06 21:01:29,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3408. [2018-11-06 21:01:29,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3408 states. [2018-11-06 21:01:29,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 3408 states and 4288 transitions. [2018-11-06 21:01:29,662 INFO L78 Accepts]: Start accepts. Automaton has 3408 states and 4288 transitions. Word has length 152 [2018-11-06 21:01:29,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:01:29,663 INFO L480 AbstractCegarLoop]: Abstraction has 3408 states and 4288 transitions. [2018-11-06 21:01:29,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:01:29,663 INFO L276 IsEmpty]: Start isEmpty. Operand 3408 states and 4288 transitions. [2018-11-06 21:01:29,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-06 21:01:29,673 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:01:29,673 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] [2018-11-06 21:01:29,673 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:01:29,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:01:29,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1166985398, now seen corresponding path program 1 times [2018-11-06 21:01:29,674 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:01:29,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:01:29,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:01:29,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:01:29,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:01:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:01:29,977 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-06 21:01:29,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:01:29,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 21:01:29,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:01:29,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:01:29,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:01:29,982 INFO L87 Difference]: Start difference. First operand 3408 states and 4288 transitions. Second operand 4 states. [2018-11-06 21:01:32,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:01:32,068 INFO L93 Difference]: Finished difference Result 8914 states and 11363 transitions. [2018-11-06 21:01:32,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:01:32,068 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 297 [2018-11-06 21:01:32,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:01:32,097 INFO L225 Difference]: With dead ends: 8914 [2018-11-06 21:01:32,097 INFO L226 Difference]: Without dead ends: 5508 [2018-11-06 21:01:32,103 INFO L604 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 [2018-11-06 21:01:32,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5508 states. [2018-11-06 21:01:32,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5508 to 5368. [2018-11-06 21:01:32,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5368 states. [2018-11-06 21:01:32,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5368 states to 5368 states and 6567 transitions. [2018-11-06 21:01:32,220 INFO L78 Accepts]: Start accepts. Automaton has 5368 states and 6567 transitions. Word has length 297 [2018-11-06 21:01:32,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:01:32,221 INFO L480 AbstractCegarLoop]: Abstraction has 5368 states and 6567 transitions. [2018-11-06 21:01:32,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:01:32,221 INFO L276 IsEmpty]: Start isEmpty. Operand 5368 states and 6567 transitions. [2018-11-06 21:01:32,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-11-06 21:01:32,236 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:01:32,237 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] [2018-11-06 21:01:32,237 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:01:32,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:01:32,238 INFO L82 PathProgramCache]: Analyzing trace with hash 147983150, now seen corresponding path program 1 times [2018-11-06 21:01:32,238 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:01:32,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:01:32,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:01:32,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:01:32,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:01:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:01:32,846 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 271 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-06 21:01:32,846 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:01:32,847 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP 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 [2018-11-06 21:01:32,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:01:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:01:32,996 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:01:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-06 21:01:33,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 21:01:33,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-06 21:01:33,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 21:01:33,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 21:01:33,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-06 21:01:33,265 INFO L87 Difference]: Start difference. First operand 5368 states and 6567 transitions. Second operand 5 states. [2018-11-06 21:01:40,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:01:40,320 INFO L93 Difference]: Finished difference Result 9459 states and 11643 transitions. [2018-11-06 21:01:40,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:01:40,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 333 [2018-11-06 21:01:40,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:01:40,322 INFO L225 Difference]: With dead ends: 9459 [2018-11-06 21:01:40,322 INFO L226 Difference]: Without dead ends: 0 [2018-11-06 21:01:40,331 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 333 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-06 21:01:40,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-06 21:01:40,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-06 21:01:40,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-06 21:01:40,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-06 21:01:40,332 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 333 [2018-11-06 21:01:40,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:01:40,333 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-06 21:01:40,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 21:01:40,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-06 21:01:40,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-06 21:01:40,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-06 21:01:40,671 WARN L179 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2018-11-06 21:01:41,491 WARN L179 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2018-11-06 21:01:41,494 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-06 21:01:41,494 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,495 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,495 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,495 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,495 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,495 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,495 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-06 21:01:41,495 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-06 21:01:41,495 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-06 21:01:41,495 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-06 21:01:41,496 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-06 21:01:41,496 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-06 21:01:41,496 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-06 21:01:41,496 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-06 21:01:41,496 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-06 21:01:41,496 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-06 21:01:41,496 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-06 21:01:41,496 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,497 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,497 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,497 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,497 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,497 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-06 21:01:41,497 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-06 21:01:41,497 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-06 21:01:41,497 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-06 21:01:41,498 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-06 21:01:41,498 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-06 21:01:41,498 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-06 21:01:41,498 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-06 21:01:41,498 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-06 21:01:41,498 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-06 21:01:41,498 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-06 21:01:41,499 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-06 21:01:41,499 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-06 21:01:41,499 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-06 21:01:41,499 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,499 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,499 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,499 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,499 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,500 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-06 21:01:41,500 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-06 21:01:41,500 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-06 21:01:41,500 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-06 21:01:41,500 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-06 21:01:41,500 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-06 21:01:41,501 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))) [2018-11-06 21:01:41,501 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-06 21:01:41,501 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-06 21:01:41,501 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-06 21:01:41,501 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-06 21:01:41,502 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,502 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,502 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,502 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,502 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,502 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-06 21:01:41,502 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-06 21:01:41,502 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-06 21:01:41,503 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-06 21:01:41,503 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-06 21:01:41,503 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-06 21:01:41,503 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-06 21:01:41,503 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-06 21:01:41,503 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-06 21:01:41,503 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-06 21:01:41,504 INFO L428 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2018-11-06 21:01:41,504 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-06 21:01:41,504 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-06 21:01:41,504 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-06 21:01:41,504 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,504 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,504 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,504 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,504 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,504 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-06 21:01:41,504 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-06 21:01:41,504 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-06 21:01:41,504 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-06 21:01:41,505 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-06 21:01:41,505 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-06 21:01:41,505 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-06 21:01:41,505 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-06 21:01:41,505 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-06 21:01:41,505 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,505 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,505 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,505 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,506 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,506 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-06 21:01:41,506 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-06 21:01:41,506 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-06 21:01:41,506 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-06 21:01:41,506 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-06 21:01:41,506 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-06 21:01:41,506 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-06 21:01:41,506 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-06 21:01:41,506 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-06 21:01:41,506 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-06 21:01:41,507 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-06 21:01:41,507 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-11-06 21:01:41,507 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-06 21:01:41,507 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-06 21:01:41,507 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))) [2018-11-06 21:01:41,507 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-06 21:01:41,507 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,507 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,507 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,507 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,508 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,508 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-06 21:01:41,508 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,508 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-06 21:01:41,508 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-06 21:01:41,508 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-06 21:01:41,508 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-06 21:01:41,508 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-06 21:01:41,508 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-06 21:01:41,509 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-06 21:01:41,509 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-06 21:01:41,509 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-06 21:01:41,509 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-06 21:01:41,509 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-06 21:01:41,509 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-06 21:01:41,509 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-06 21:01:41,509 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,510 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,510 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,510 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,510 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,510 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,510 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2018-11-06 21:01:41,510 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-06 21:01:41,510 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-06 21:01:41,510 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-06 21:01:41,510 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-06 21:01:41,510 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-06 21:01:41,511 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-06 21:01:41,511 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-06 21:01:41,511 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-06 21:01:41,511 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-06 21:01:41,511 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-06 21:01:41,511 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-06 21:01:41,511 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-06 21:01:41,512 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-06 21:01:41,512 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-06 21:01:41,512 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-06 21:01:41,512 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-06 21:01:41,512 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,512 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,512 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,513 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,513 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,513 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,513 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-06 21:01:41,513 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-06 21:01:41,513 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-06 21:01:41,513 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-06 21:01:41,513 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-06 21:01:41,513 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-06 21:01:41,514 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-06 21:01:41,514 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-06 21:01:41,514 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-06 21:01:41,514 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-06 21:01:41,514 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-06 21:01:41,514 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-06 21:01:41,514 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-06 21:01:41,514 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-06 21:01:41,514 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,515 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,515 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,515 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,515 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,515 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,515 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-06 21:01:41,515 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-06 21:01:41,515 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-06 21:01:41,515 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-06 21:01:41,516 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-06 21:01:41,516 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-06 21:01:41,516 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-06 21:01:41,516 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-06 21:01:41,516 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-06 21:01:41,516 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-06 21:01:41,516 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-06 21:01:41,516 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-11-06 21:01:41,516 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-06 21:01:41,517 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,517 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,517 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,517 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,517 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,517 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-06 21:01:41,517 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-06 21:01:41,517 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-06 21:01:41,518 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-06 21:01:41,518 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-06 21:01:41,518 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-06 21:01:41,518 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-06 21:01:41,518 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-06 21:01:41,518 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-06 21:01:41,518 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-06 21:01:41,518 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-06 21:01:41,518 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-06 21:01:41,519 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-06 21:01:41,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:01:41 BoogieIcfgContainer [2018-11-06 21:01:41,545 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 21:01:41,546 INFO L168 Benchmark]: Toolchain (without parser) took 27839.46 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: -637.4 MB). Peak memory consumption was 455.8 MB. Max. memory is 7.1 GB. [2018-11-06 21:01:41,547 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-11-06 21:01:41,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-06 21:01:41,549 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.54 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -829.7 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-06 21:01:41,550 INFO L168 Benchmark]: Boogie Preprocessor took 102.08 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2018-11-06 21:01:41,552 INFO L168 Benchmark]: RCFGBuilder took 3306.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 116.0 MB). Peak memory consumption was 116.0 MB. Max. memory is 7.1 GB. [2018-11-06 21:01:41,553 INFO L168 Benchmark]: TraceAbstraction took 23528.59 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 353.4 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 17.4 MB). Peak memory consumption was 370.8 MB. Max. memory is 7.1 GB. [2018-11-06 21:01:41,561 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 703.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 193.54 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -829.7 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.08 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3306.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 116.0 MB). Peak memory consumption was 116.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23528.59 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 353.4 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 17.4 MB). Peak memory consumption was 370.8 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, 23.4s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 19.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 661 SDtfs, 1880 SDslu, 337 SDs, 0 SdLazy, 4584 SolverSat, 1180 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 357 GetRequests, 340 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s 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, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 466 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s 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...