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_label27_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 16:01:58,861 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 16:01:58,867 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 16:01:58,878 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 16:01:58,879 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 16:01:58,880 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 16:01:58,881 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 16:01:58,884 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 16:01:58,885 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 16:01:58,886 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 16:01:58,887 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 16:01:58,887 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 16:01:58,888 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 16:01:58,889 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 16:01:58,890 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 16:01:58,891 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 16:01:58,892 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 16:01:58,894 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 16:01:58,896 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 16:01:58,898 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 16:01:58,899 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 16:01:58,900 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 16:01:58,902 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 16:01:58,909 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 16:01:58,909 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 16:01:58,910 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 16:01:58,911 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 16:01:58,911 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 [2018-10-24 16:01:58,931 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 16:01:58,931 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 16:01:58,934 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 16:01:58,934 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 16:01:58,935 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 16:01:58,935 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 16:01:58,936 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 16:01:58,936 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 16:01:58,936 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 16:01:58,936 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 16:01:58,936 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 16:01:58,937 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 16:01:58,937 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 16:01:58,937 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 16:01:58,937 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 16:01:58,937 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 16:01:58,938 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 16:01:58,939 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 16:01:58,939 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 16:01:58,939 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:01:58,939 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 16:01:58,940 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 16:01:58,940 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 16:01:58,940 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 16:01:58,940 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 16:01:58,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 16:01:58,940 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 16:01:58,941 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 16:01:58,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 16:01:59,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 16:01:59,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 16:01:59,009 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 16:01:59,009 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 16:01:59,010 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label27_true-unreach-call.c [2018-10-24 16:01:59,069 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c2677ad14/c2092db303434e3286b75a27bc998f19/FLAG489ab5932 [2018-10-24 16:01:59,676 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 16:01:59,677 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label27_true-unreach-call.c [2018-10-24 16:01:59,702 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c2677ad14/c2092db303434e3286b75a27bc998f19/FLAG489ab5932 [2018-10-24 16:01:59,726 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c2677ad14/c2092db303434e3286b75a27bc998f19 [2018-10-24 16:01:59,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 16:01:59,742 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 16:01:59,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 16:01:59,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 16:01:59,750 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 16:01:59,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:01:59" (1/1) ... [2018-10-24 16:01:59,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b394b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:59, skipping insertion in model container [2018-10-24 16:01:59,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:01:59" (1/1) ... [2018-10-24 16:01:59,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 16:01:59,824 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 16:02:00,270 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:02:00,275 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 16:02:00,427 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:02:00,444 INFO L193 MainTranslator]: Completed translation [2018-10-24 16:02:00,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:00 WrapperNode [2018-10-24 16:02:00,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 16:02:00,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 16:02:00,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 16:02:00,446 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 16:02:00,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:00" (1/1) ... [2018-10-24 16:02:00,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:00" (1/1) ... [2018-10-24 16:02:00,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 16:02:00,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 16:02:00,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 16:02:00,641 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 16:02:00,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:00" (1/1) ... [2018-10-24 16:02:00,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:00" (1/1) ... [2018-10-24 16:02:00,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:00" (1/1) ... [2018-10-24 16:02:00,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:00" (1/1) ... [2018-10-24 16:02:00,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:00" (1/1) ... [2018-10-24 16:02:00,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:00" (1/1) ... [2018-10-24 16:02:00,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:00" (1/1) ... [2018-10-24 16:02:00,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 16:02:00,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 16:02:00,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 16:02:00,749 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 16:02:00,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:00" (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 [2018-10-24 16:02:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 16:02:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 16:02:00,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 16:02:04,152 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 16:02:04,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:02:04 BoogieIcfgContainer [2018-10-24 16:02:04,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 16:02:04,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 16:02:04,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 16:02:04,158 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 16:02:04,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:01:59" (1/3) ... [2018-10-24 16:02:04,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293790f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:02:04, skipping insertion in model container [2018-10-24 16:02:04,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:00" (2/3) ... [2018-10-24 16:02:04,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293790f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:02:04, skipping insertion in model container [2018-10-24 16:02:04,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:02:04" (3/3) ... [2018-10-24 16:02:04,162 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label27_true-unreach-call.c [2018-10-24 16:02:04,172 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 16:02:04,181 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 16:02:04,198 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 16:02:04,236 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 16:02:04,237 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 16:02:04,237 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 16:02:04,237 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 16:02:04,237 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 16:02:04,238 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 16:02:04,238 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 16:02:04,238 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 16:02:04,238 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 16:02:04,261 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-10-24 16:02:04,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-24 16:02:04,272 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:04,273 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:02:04,276 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:04,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:04,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1059493314, now seen corresponding path program 1 times [2018-10-24 16:02:04,283 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:04,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:04,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:04,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:04,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:05,119 WARN L179 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2018-10-24 16:02:05,394 WARN L179 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 17 [2018-10-24 16:02:05,562 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 22 [2018-10-24 16:02:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:02:05,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:05,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 16:02:05,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 16:02:05,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 16:02:05,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 16:02:05,676 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 7 states. [2018-10-24 16:02:05,890 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-24 16:02:11,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:11,497 INFO L93 Difference]: Finished difference Result 1131 states and 2097 transitions. [2018-10-24 16:02:11,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 16:02:11,500 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-10-24 16:02:11,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:11,538 INFO L225 Difference]: With dead ends: 1131 [2018-10-24 16:02:11,539 INFO L226 Difference]: Without dead ends: 908 [2018-10-24 16:02:11,544 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-24 16:02:11,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2018-10-24 16:02:11,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 624. [2018-10-24 16:02:11,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2018-10-24 16:02:11,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 900 transitions. [2018-10-24 16:02:11,634 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 900 transitions. Word has length 61 [2018-10-24 16:02:11,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:11,635 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 900 transitions. [2018-10-24 16:02:11,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 16:02:11,635 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 900 transitions. [2018-10-24 16:02:11,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-24 16:02:11,645 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:11,646 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 16:02:11,646 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:11,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:11,647 INFO L82 PathProgramCache]: Analyzing trace with hash 480053688, now seen corresponding path program 1 times [2018-10-24 16:02:11,647 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:11,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:11,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:11,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:11,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:12,007 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:02:12,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:12,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:02:12,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:12,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:12,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:12,011 INFO L87 Difference]: Start difference. First operand 624 states and 900 transitions. Second operand 4 states. [2018-10-24 16:02:13,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:13,499 INFO L93 Difference]: Finished difference Result 1806 states and 2614 transitions. [2018-10-24 16:02:13,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:13,501 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 180 [2018-10-24 16:02:13,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:13,509 INFO L225 Difference]: With dead ends: 1806 [2018-10-24 16:02:13,509 INFO L226 Difference]: Without dead ends: 1184 [2018-10-24 16:02:13,513 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 [2018-10-24 16:02:13,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2018-10-24 16:02:13,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 1184. [2018-10-24 16:02:13,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2018-10-24 16:02:13,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1584 transitions. [2018-10-24 16:02:13,569 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1584 transitions. Word has length 180 [2018-10-24 16:02:13,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:13,570 INFO L481 AbstractCegarLoop]: Abstraction has 1184 states and 1584 transitions. [2018-10-24 16:02:13,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:13,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1584 transitions. [2018-10-24 16:02:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-24 16:02:13,579 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:13,580 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:02:13,580 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:13,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:13,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1940277280, now seen corresponding path program 1 times [2018-10-24 16:02:13,581 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:13,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:13,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:13,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:13,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:02:14,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:14,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:02:14,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:14,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:14,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:14,029 INFO L87 Difference]: Start difference. First operand 1184 states and 1584 transitions. Second operand 4 states. [2018-10-24 16:02:17,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:17,373 INFO L93 Difference]: Finished difference Result 2922 states and 4112 transitions. [2018-10-24 16:02:17,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:17,373 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 207 [2018-10-24 16:02:17,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:17,383 INFO L225 Difference]: With dead ends: 2922 [2018-10-24 16:02:17,384 INFO L226 Difference]: Without dead ends: 1880 [2018-10-24 16:02:17,386 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:17,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2018-10-24 16:02:17,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1880. [2018-10-24 16:02:17,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1880 states. [2018-10-24 16:02:17,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1880 states and 2404 transitions. [2018-10-24 16:02:17,428 INFO L78 Accepts]: Start accepts. Automaton has 1880 states and 2404 transitions. Word has length 207 [2018-10-24 16:02:17,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:17,428 INFO L481 AbstractCegarLoop]: Abstraction has 1880 states and 2404 transitions. [2018-10-24 16:02:17,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:17,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2404 transitions. [2018-10-24 16:02:17,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-24 16:02:17,434 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:17,436 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:02:17,436 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:17,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:17,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1197184105, now seen corresponding path program 1 times [2018-10-24 16:02:17,437 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:17,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:17,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:17,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:17,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:17,792 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-24 16:02:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:02:17,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:17,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:02:17,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:17,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:17,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:17,920 INFO L87 Difference]: Start difference. First operand 1880 states and 2404 transitions. Second operand 4 states. [2018-10-24 16:02:20,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:20,432 INFO L93 Difference]: Finished difference Result 4170 states and 5531 transitions. [2018-10-24 16:02:20,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:20,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 232 [2018-10-24 16:02:20,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:20,446 INFO L225 Difference]: With dead ends: 4170 [2018-10-24 16:02:20,447 INFO L226 Difference]: Without dead ends: 2432 [2018-10-24 16:02:20,450 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:20,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2432 states. [2018-10-24 16:02:20,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2432 to 2432. [2018-10-24 16:02:20,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2432 states. [2018-10-24 16:02:20,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2432 states and 3032 transitions. [2018-10-24 16:02:20,506 INFO L78 Accepts]: Start accepts. Automaton has 2432 states and 3032 transitions. Word has length 232 [2018-10-24 16:02:20,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:20,506 INFO L481 AbstractCegarLoop]: Abstraction has 2432 states and 3032 transitions. [2018-10-24 16:02:20,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:20,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 3032 transitions. [2018-10-24 16:02:20,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-24 16:02:20,515 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:20,515 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, 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, 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] [2018-10-24 16:02:20,516 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:20,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:20,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1424791, now seen corresponding path program 1 times [2018-10-24 16:02:20,516 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:20,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:20,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:20,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:20,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-24 16:02:20,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:20,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:02:20,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 16:02:20,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 16:02:20,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:02:20,875 INFO L87 Difference]: Start difference. First operand 2432 states and 3032 transitions. Second operand 3 states. [2018-10-24 16:02:23,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:23,523 INFO L93 Difference]: Finished difference Result 5562 states and 7016 transitions. [2018-10-24 16:02:23,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 16:02:23,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 306 [2018-10-24 16:02:23,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:23,536 INFO L225 Difference]: With dead ends: 5562 [2018-10-24 16:02:23,536 INFO L226 Difference]: Without dead ends: 2412 [2018-10-24 16:02:23,540 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:02:23,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2018-10-24 16:02:23,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 2412. [2018-10-24 16:02:23,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2412 states. [2018-10-24 16:02:23,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2412 states and 2873 transitions. [2018-10-24 16:02:23,584 INFO L78 Accepts]: Start accepts. Automaton has 2412 states and 2873 transitions. Word has length 306 [2018-10-24 16:02:23,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:23,585 INFO L481 AbstractCegarLoop]: Abstraction has 2412 states and 2873 transitions. [2018-10-24 16:02:23,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 16:02:23,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 2873 transitions. [2018-10-24 16:02:23,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-10-24 16:02:23,595 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:23,596 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, 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, 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] [2018-10-24 16:02:23,596 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:23,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:23,596 INFO L82 PathProgramCache]: Analyzing trace with hash 704851837, now seen corresponding path program 1 times [2018-10-24 16:02:23,597 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:23,597 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:23,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:23,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:23,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:24,189 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 9 [2018-10-24 16:02:24,302 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 290 proven. 68 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-24 16:02:24,302 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:02:24,303 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 [2018-10-24 16:02:24,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:24,440 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:02:24,657 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-24 16:02:25,486 WARN L179 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 20 [2018-10-24 16:02:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 295 proven. 63 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-24 16:02:26,011 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 16:02:26,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2018-10-24 16:02:26,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 16:02:26,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 16:02:26,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-24 16:02:26,013 INFO L87 Difference]: Start difference. First operand 2412 states and 2873 transitions. Second operand 8 states. [2018-10-24 16:02:31,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:31,282 INFO L93 Difference]: Finished difference Result 8186 states and 9787 transitions. [2018-10-24 16:02:31,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 16:02:31,291 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 342 [2018-10-24 16:02:31,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:31,291 INFO L225 Difference]: With dead ends: 8186 [2018-10-24 16:02:31,292 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 16:02:31,299 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 339 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-10-24 16:02:31,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 16:02:31,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 16:02:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 16:02:31,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 16:02:31,300 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 342 [2018-10-24 16:02:31,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:31,301 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 16:02:31,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 16:02:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 16:02:31,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 16:02:31,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 16:02:32,546 WARN L179 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2018-10-24 16:02:32,655 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2018-10-24 16:02:32,658 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-10-24 16:02:32,658 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 184) no Hoare annotation was computed. [2018-10-24 16:02:32,658 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,658 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,659 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,659 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,659 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,659 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,659 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-10-24 16:02:32,659 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-10-24 16:02:32,659 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-24 16:02:32,660 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-24 16:02:32,660 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-24 16:02:32,660 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-24 16:02:32,660 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-24 16:02:32,660 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-24 16:02:32,660 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-10-24 16:02:32,660 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-10-24 16:02:32,660 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-10-24 16:02:32,661 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,661 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,661 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,661 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,661 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,661 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-10-24 16:02:32,661 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-10-24 16:02:32,661 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-10-24 16:02:32,662 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-10-24 16:02:32,662 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-24 16:02:32,662 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-24 16:02:32,662 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-24 16:02:32,662 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-24 16:02:32,662 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-24 16:02:32,662 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-10-24 16:02:32,662 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-10-24 16:02:32,662 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-10-24 16:02:32,663 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-10-24 16:02:32,663 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-10-24 16:02:32,663 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,663 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,663 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,663 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,663 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,663 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-10-24 16:02:32,664 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-24 16:02:32,664 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-24 16:02:32,664 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-24 16:02:32,664 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-24 16:02:32,664 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-24 16:02:32,664 INFO L421 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (= ~a10~0 3))) (.cse2 (not (= ~a19~0 7))) (.cse3 (not (= ~a19~0 10))) (.cse0 (< 0 (+ ~a1~0 13)))) (or (and (= ~a10~0 2) .cse0) (= ~a19~0 8) (and (= ~a10~0 1) .cse0) (= ~a19~0 9) (and .cse1 .cse2 (not (= 4 ~a10~0))) (and .cse1 .cse2 .cse3) (and .cse2 .cse3 .cse0))) [2018-10-24 16:02:32,665 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-10-24 16:02:32,665 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-10-24 16:02:32,665 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-10-24 16:02:32,665 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-10-24 16:02:32,665 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,665 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,665 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,666 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,666 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,666 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-10-24 16:02:32,666 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-10-24 16:02:32,666 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-10-24 16:02:32,666 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-24 16:02:32,666 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-24 16:02:32,666 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-24 16:02:32,666 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-24 16:02:32,667 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-24 16:02:32,667 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-10-24 16:02:32,667 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-10-24 16:02:32,667 INFO L428 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2018-10-24 16:02:32,667 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-10-24 16:02:32,667 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-10-24 16:02:32,667 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-10-24 16:02:32,667 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,668 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,668 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,668 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,668 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,668 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-24 16:02:32,668 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-24 16:02:32,668 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-24 16:02:32,668 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-24 16:02:32,668 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-24 16:02:32,669 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-10-24 16:02:32,669 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-10-24 16:02:32,669 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-10-24 16:02:32,669 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-10-24 16:02:32,669 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,669 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,669 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,669 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,669 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,670 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-10-24 16:02:32,670 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-10-24 16:02:32,670 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-10-24 16:02:32,670 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-10-24 16:02:32,670 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-24 16:02:32,670 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-24 16:02:32,670 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-24 16:02:32,670 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-24 16:02:32,670 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-24 16:02:32,670 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-10-24 16:02:32,670 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-10-24 16:02:32,670 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 16:02:32,670 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-10-24 16:02:32,671 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-10-24 16:02:32,671 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse1 (not (= ~a10~0 3))) (.cse2 (not (= ~a19~0 7))) (.cse3 (not (= ~a19~0 10))) (.cse0 (< 0 (+ ~a1~0 13)))) (or (and (= ~a10~0 2) .cse0) (= ~a19~0 8) (and (= ~a10~0 1) .cse0) (= ~a19~0 9) (and .cse1 .cse2 (not (= 4 ~a10~0))) (and .cse1 .cse2 .cse3) (and .cse2 .cse3 .cse0))) [2018-10-24 16:02:32,671 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-10-24 16:02:32,671 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,671 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,671 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,671 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,671 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,671 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-24 16:02:32,671 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,671 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-10-24 16:02:32,672 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-10-24 16:02:32,672 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-10-24 16:02:32,672 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-24 16:02:32,672 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-24 16:02:32,672 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-24 16:02:32,672 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-24 16:02:32,672 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-24 16:02:32,672 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-24 16:02:32,672 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-10-24 16:02:32,672 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-10-24 16:02:32,672 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-10-24 16:02:32,673 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-10-24 16:02:32,673 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,673 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,673 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,673 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,673 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,673 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,673 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-10-24 16:02:32,673 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-10-24 16:02:32,673 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-10-24 16:02:32,674 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 16:02:32,674 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-24 16:02:32,674 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-24 16:02:32,674 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-24 16:02:32,674 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-24 16:02:32,674 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-24 16:02:32,674 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-24 16:02:32,675 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-10-24 16:02:32,675 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-10-24 16:02:32,675 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-10-24 16:02:32,675 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-10-24 16:02:32,675 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-10-24 16:02:32,675 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-10-24 16:02:32,675 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,675 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,676 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,676 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,676 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,676 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,676 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-10-24 16:02:32,676 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-24 16:02:32,676 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-24 16:02:32,676 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-24 16:02:32,676 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-24 16:02:32,677 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-24 16:02:32,677 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 16:02:32,677 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-24 16:02:32,677 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-10-24 16:02:32,677 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-10-24 16:02:32,677 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-10-24 16:02:32,677 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-10-24 16:02:32,677 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-10-24 16:02:32,677 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-10-24 16:02:32,678 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,678 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,678 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,678 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,678 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,678 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,678 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-10-24 16:02:32,678 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-10-24 16:02:32,678 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-10-24 16:02:32,678 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-24 16:02:32,679 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-24 16:02:32,679 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-24 16:02:32,679 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-24 16:02:32,679 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-24 16:02:32,679 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-24 16:02:32,679 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-10-24 16:02:32,679 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-10-24 16:02:32,679 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 16:02:32,679 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-10-24 16:02:32,680 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,680 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,680 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,680 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,680 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,680 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:32,680 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-10-24 16:02:32,680 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-10-24 16:02:32,680 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-10-24 16:02:32,681 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-24 16:02:32,681 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-24 16:02:32,681 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-24 16:02:32,681 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-24 16:02:32,681 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-24 16:02:32,681 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-24 16:02:32,681 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-10-24 16:02:32,681 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-10-24 16:02:32,682 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-10-24 16:02:32,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:02:32 BoogieIcfgContainer [2018-10-24 16:02:32,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 16:02:32,702 INFO L168 Benchmark]: Toolchain (without parser) took 32960.91 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 2.2 GB in the end (delta: -754.7 MB). Peak memory consumption was 335.8 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:32,703 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. [2018-10-24 16:02:32,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.15 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:32,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 194.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -848.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:32,706 INFO L168 Benchmark]: Boogie Preprocessor took 107.56 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 16:02:32,706 INFO L168 Benchmark]: RCFGBuilder took 3404.54 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: 127.8 MB). Peak memory consumption was 127.8 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:32,707 INFO L168 Benchmark]: TraceAbstraction took 28546.65 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 332.4 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -65.7 MB). Peak memory consumption was 266.7 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:32,713 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 702.15 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 194.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -848.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.56 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3404.54 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: 127.8 MB). Peak memory consumption was 127.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28546.65 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 332.4 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -65.7 MB). Peak memory consumption was 266.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 184]: 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: ((((((a10 == 2 && 0 < a1 + 13) || a19 == 8) || (a10 == 1 && 0 < a1 + 13)) || a19 == 9) || ((!(a10 == 3) && !(a19 == 7)) && !(4 == a10))) || ((!(a10 == 3) && !(a19 == 7)) && !(a19 == 10))) || ((!(a19 == 7) && !(a19 == 10)) && 0 < a1 + 13) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((a10 == 2 && 0 < a1 + 13) || a19 == 8) || (a10 == 1 && 0 < a1 + 13)) || a19 == 9) || ((!(a10 == 3) && !(a19 == 7)) && !(4 == a10))) || ((!(a10 == 3) && !(a19 == 7)) && !(a19 == 10))) || ((!(a19 == 7) && !(a19 == 10)) && 0 < a1 + 13) - 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, 28.4s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 21.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 731 SDtfs, 3382 SDslu, 618 SDs, 0 SdLazy, 6603 SolverSat, 1702 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 379 GetRequests, 347 SyntacticMatches, 9 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2432occurred in iteration=4, 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 284 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 105 NumberOfFragments, 131 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2018 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 256 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1670 NumberOfCodeBlocks, 1670 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1663 ConstructedInterpolants, 74 QuantifiedInterpolants, 2091555 SizeOfPredicates, 4 NumberOfNonLiveVariables, 457 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 1534/1665 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...