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/Problem14_label20_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 21:26:05,524 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 21:26:05,527 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 21:26:05,540 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 21:26:05,541 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 21:26:05,542 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 21:26:05,543 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 21:26:05,546 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 21:26:05,548 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 21:26:05,550 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 21:26:05,551 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 21:26:05,551 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 21:26:05,554 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 21:26:05,555 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 21:26:05,556 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 21:26:05,560 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 21:26:05,561 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 21:26:05,571 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 21:26:05,577 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 21:26:05,578 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 21:26:05,579 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 21:26:05,583 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 21:26:05,588 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-06 21:26:05,598 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 21:26:05,612 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 21:26:05,613 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 21:26:05,614 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 21:26:05,614 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 21:26:05,614 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 21:26:05,615 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 21:26:05,615 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 21:26:05,615 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 21:26:05,615 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 21:26:05,616 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 21:26:05,616 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 21:26:05,616 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 21:26:05,616 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 21:26:05,616 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 21:26:05,617 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 21:26:05,617 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 21:26:05,617 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 21:26:05,617 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 21:26:05,617 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 21:26:05,618 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 21:26:05,618 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 21:26:05,618 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 21:26:05,618 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 21:26:05,618 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 21:26:05,619 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 21:26:05,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 21:26:05,619 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 21:26:05,619 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 21:26:05,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 21:26:05,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 21:26:05,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 21:26:05,701 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 21:26:05,702 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 21:26:05,703 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label20_true-unreach-call_false-termination.c [2018-11-06 21:26:05,772 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd91a91f8/e8e247ed725c4cca825dc5e8eafd2d3a/FLAG56fc71d78 [2018-11-06 21:26:06,386 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 21:26:06,390 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label20_true-unreach-call_false-termination.c [2018-11-06 21:26:06,417 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd91a91f8/e8e247ed725c4cca825dc5e8eafd2d3a/FLAG56fc71d78 [2018-11-06 21:26:06,444 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd91a91f8/e8e247ed725c4cca825dc5e8eafd2d3a [2018-11-06 21:26:06,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 21:26:06,460 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 21:26:06,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 21:26:06,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 21:26:06,467 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 21:26:06,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:26:06" (1/1) ... [2018-11-06 21:26:06,471 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 09:26:06, skipping insertion in model container [2018-11-06 21:26:06,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:26:06" (1/1) ... [2018-11-06 21:26:06,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 21:26:06,571 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 21:26:07,185 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 21:26:07,189 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 21:26:07,362 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 21:26:07,385 INFO L193 MainTranslator]: Completed translation [2018-11-06 21:26:07,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:26:07 WrapperNode [2018-11-06 21:26:07,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 21:26:07,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 21:26:07,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 21:26:07,387 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 21:26:07,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:26:07" (1/1) ... [2018-11-06 21:26:07,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:26:07" (1/1) ... [2018-11-06 21:26:07,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 21:26:07,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 21:26:07,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 21:26:07,665 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 21:26:07,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:26:07" (1/1) ... [2018-11-06 21:26:07,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:26:07" (1/1) ... [2018-11-06 21:26:07,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:26:07" (1/1) ... [2018-11-06 21:26:07,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:26:07" (1/1) ... [2018-11-06 21:26:07,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:26:07" (1/1) ... [2018-11-06 21:26:07,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:26:07" (1/1) ... [2018-11-06 21:26:07,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:26:07" (1/1) ... [2018-11-06 21:26:07,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 21:26:07,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 21:26:07,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 21:26:07,750 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 21:26:07,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:26:07" (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 21:26:07,827 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 21:26:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 21:26:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 21:26:11,341 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 21:26:11,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:26:11 BoogieIcfgContainer [2018-11-06 21:26:11,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 21:26:11,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 21:26:11,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 21:26:11,347 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 21:26:11,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:26:06" (1/3) ... [2018-11-06 21:26:11,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7099cc0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:26:11, skipping insertion in model container [2018-11-06 21:26:11,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:26:07" (2/3) ... [2018-11-06 21:26:11,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7099cc0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:26:11, skipping insertion in model container [2018-11-06 21:26:11,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:26:11" (3/3) ... [2018-11-06 21:26:11,351 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label20_true-unreach-call_false-termination.c [2018-11-06 21:26:11,361 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 21:26:11,372 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 21:26:11,391 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 21:26:11,429 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 21:26:11,430 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 21:26:11,430 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 21:26:11,430 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 21:26:11,430 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 21:26:11,432 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 21:26:11,432 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 21:26:11,432 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 21:26:11,433 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 21:26:11,457 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2018-11-06 21:26:11,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-06 21:26:11,469 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:26:11,470 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] [2018-11-06 21:26:11,472 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:26:11,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:26:11,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1059493314, now seen corresponding path program 1 times [2018-11-06 21:26:11,480 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:26:11,480 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:26:11,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:11,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:26:11,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:26:11,927 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 21:26:11,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:26:11,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 21:26:11,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:26:11,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:26:11,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:26:11,955 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 4 states. [2018-11-06 21:26:15,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:26:15,371 INFO L93 Difference]: Finished difference Result 854 states and 1562 transitions. [2018-11-06 21:26:15,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:26:15,374 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-06 21:26:15,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:26:15,396 INFO L225 Difference]: With dead ends: 854 [2018-11-06 21:26:15,396 INFO L226 Difference]: Without dead ends: 601 [2018-11-06 21:26:15,401 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 21:26:15,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2018-11-06 21:26:15,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2018-11-06 21:26:15,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2018-11-06 21:26:15,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 991 transitions. [2018-11-06 21:26:15,489 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 991 transitions. Word has length 61 [2018-11-06 21:26:15,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:26:15,490 INFO L480 AbstractCegarLoop]: Abstraction has 601 states and 991 transitions. [2018-11-06 21:26:15,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:26:15,490 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 991 transitions. [2018-11-06 21:26:15,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-06 21:26:15,503 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:26:15,503 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:26:15,504 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:26:15,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:26:15,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1521299468, now seen corresponding path program 1 times [2018-11-06 21:26:15,505 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:26:15,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:26:15,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:15,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:26:15,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:26:15,853 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-06 21:26:15,853 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:26:15,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 21:26:15,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:26:15,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:26:15,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:26:15,857 INFO L87 Difference]: Start difference. First operand 601 states and 991 transitions. Second operand 4 states. [2018-11-06 21:26:18,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:26:18,078 INFO L93 Difference]: Finished difference Result 2106 states and 3493 transitions. [2018-11-06 21:26:18,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:26:18,080 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 198 [2018-11-06 21:26:18,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:26:18,090 INFO L225 Difference]: With dead ends: 2106 [2018-11-06 21:26:18,090 INFO L226 Difference]: Without dead ends: 1507 [2018-11-06 21:26:18,094 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 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 21:26:18,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2018-11-06 21:26:18,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1507. [2018-11-06 21:26:18,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1507 states. [2018-11-06 21:26:18,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1507 states and 2184 transitions. [2018-11-06 21:26:18,160 INFO L78 Accepts]: Start accepts. Automaton has 1507 states and 2184 transitions. Word has length 198 [2018-11-06 21:26:18,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:26:18,160 INFO L480 AbstractCegarLoop]: Abstraction has 1507 states and 2184 transitions. [2018-11-06 21:26:18,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:26:18,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 2184 transitions. [2018-11-06 21:26:18,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-06 21:26:18,165 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:26:18,166 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:26:18,166 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:26:18,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:26:18,166 INFO L82 PathProgramCache]: Analyzing trace with hash 704480897, now seen corresponding path program 1 times [2018-11-06 21:26:18,167 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:26:18,167 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:26:18,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:18,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:26:18,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:26:18,678 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-06 21:26:18,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:26:18,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-06 21:26:18,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-06 21:26:18,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-06 21:26:18,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-06 21:26:18,680 INFO L87 Difference]: Start difference. First operand 1507 states and 2184 transitions. Second operand 7 states. [2018-11-06 21:26:23,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:26:23,407 INFO L93 Difference]: Finished difference Result 4158 states and 6112 transitions. [2018-11-06 21:26:23,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-06 21:26:23,410 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 211 [2018-11-06 21:26:23,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:26:23,419 INFO L225 Difference]: With dead ends: 4158 [2018-11-06 21:26:23,419 INFO L226 Difference]: Without dead ends: 1681 [2018-11-06 21:26:23,423 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-06 21:26:23,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2018-11-06 21:26:23,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1502. [2018-11-06 21:26:23,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1502 states. [2018-11-06 21:26:23,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 1828 transitions. [2018-11-06 21:26:23,454 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 1828 transitions. Word has length 211 [2018-11-06 21:26:23,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:26:23,455 INFO L480 AbstractCegarLoop]: Abstraction has 1502 states and 1828 transitions. [2018-11-06 21:26:23,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-06 21:26:23,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1828 transitions. [2018-11-06 21:26:23,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2018-11-06 21:26:23,463 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:26:23,464 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-06 21:26:23,464 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:26:23,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:26:23,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1780689080, now seen corresponding path program 1 times [2018-11-06 21:26:23,465 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:26:23,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:26:23,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:23,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:26:23,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:26:24,327 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-11-06 21:26:24,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:26:24,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-06 21:26:24,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-06 21:26:24,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-06 21:26:24,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-06 21:26:24,328 INFO L87 Difference]: Start difference. First operand 1502 states and 1828 transitions. Second operand 6 states. [2018-11-06 21:26:28,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:26:28,017 INFO L93 Difference]: Finished difference Result 3212 states and 3868 transitions. [2018-11-06 21:26:28,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-06 21:26:28,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 438 [2018-11-06 21:26:28,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:26:28,025 INFO L225 Difference]: With dead ends: 3212 [2018-11-06 21:26:28,026 INFO L226 Difference]: Without dead ends: 1712 [2018-11-06 21:26:28,028 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-11-06 21:26:28,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2018-11-06 21:26:28,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1681. [2018-11-06 21:26:28,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1681 states. [2018-11-06 21:26:28,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2008 transitions. [2018-11-06 21:26:28,059 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2008 transitions. Word has length 438 [2018-11-06 21:26:28,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:26:28,060 INFO L480 AbstractCegarLoop]: Abstraction has 1681 states and 2008 transitions. [2018-11-06 21:26:28,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-06 21:26:28,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2008 transitions. [2018-11-06 21:26:28,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2018-11-06 21:26:28,073 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:26:28,074 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-06 21:26:28,074 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:26:28,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:26:28,074 INFO L82 PathProgramCache]: Analyzing trace with hash -925022749, now seen corresponding path program 1 times [2018-11-06 21:26:28,074 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:26:28,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:26:28,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:28,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:26:28,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:26:28,415 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-06 21:26:28,698 WARN L179 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-11-06 21:26:29,035 WARN L179 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2018-11-06 21:26:29,615 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 554 proven. 46 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-11-06 21:26:29,615 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:26:29,615 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 21:26:29,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:26:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:26:29,786 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:26:30,124 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2018-11-06 21:26:30,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 21:26:30,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-11-06 21:26:30,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-06 21:26:30,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-06 21:26:30,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-06 21:26:30,149 INFO L87 Difference]: Start difference. First operand 1681 states and 2008 transitions. Second operand 8 states. [2018-11-06 21:26:35,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:26:35,351 INFO L93 Difference]: Finished difference Result 4991 states and 5983 transitions. [2018-11-06 21:26:35,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-06 21:26:35,351 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 545 [2018-11-06 21:26:35,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:26:35,363 INFO L225 Difference]: With dead ends: 4991 [2018-11-06 21:26:35,363 INFO L226 Difference]: Without dead ends: 3131 [2018-11-06 21:26:35,367 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 547 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-06 21:26:35,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3131 states. [2018-11-06 21:26:35,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3131 to 2753. [2018-11-06 21:26:35,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2753 states. [2018-11-06 21:26:35,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2753 states and 3167 transitions. [2018-11-06 21:26:35,420 INFO L78 Accepts]: Start accepts. Automaton has 2753 states and 3167 transitions. Word has length 545 [2018-11-06 21:26:35,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:26:35,420 INFO L480 AbstractCegarLoop]: Abstraction has 2753 states and 3167 transitions. [2018-11-06 21:26:35,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-06 21:26:35,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 3167 transitions. [2018-11-06 21:26:35,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2018-11-06 21:26:35,427 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:26:35,428 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-06 21:26:35,428 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:26:35,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:26:35,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1200291195, now seen corresponding path program 1 times [2018-11-06 21:26:35,429 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:26:35,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:26:35,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:35,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:26:35,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:26:36,047 WARN L179 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 8 [2018-11-06 21:26:36,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 960 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2018-11-06 21:26:36,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:26:36,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 21:26:36,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:26:36,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:26:36,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:26:36,390 INFO L87 Difference]: Start difference. First operand 2753 states and 3167 transitions. Second operand 4 states. [2018-11-06 21:26:37,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:26:37,997 INFO L93 Difference]: Finished difference Result 7471 states and 8814 transitions. [2018-11-06 21:26:37,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:26:37,997 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 657 [2018-11-06 21:26:37,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:26:38,017 INFO L225 Difference]: With dead ends: 7471 [2018-11-06 21:26:38,017 INFO L226 Difference]: Without dead ends: 4899 [2018-11-06 21:26:38,022 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:26:38,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4899 states. [2018-11-06 21:26:38,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4899 to 4899. [2018-11-06 21:26:38,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4899 states. [2018-11-06 21:26:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4899 states to 4899 states and 5511 transitions. [2018-11-06 21:26:38,108 INFO L78 Accepts]: Start accepts. Automaton has 4899 states and 5511 transitions. Word has length 657 [2018-11-06 21:26:38,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:26:38,109 INFO L480 AbstractCegarLoop]: Abstraction has 4899 states and 5511 transitions. [2018-11-06 21:26:38,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:26:38,109 INFO L276 IsEmpty]: Start isEmpty. Operand 4899 states and 5511 transitions. [2018-11-06 21:26:38,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 798 [2018-11-06 21:26:38,120 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:26:38,121 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:26:38,121 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:26:38,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:26:38,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1665880707, now seen corresponding path program 1 times [2018-11-06 21:26:38,122 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:26:38,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:26:38,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:38,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:26:38,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:26:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 1330 proven. 156 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2018-11-06 21:26:39,133 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:26:39,133 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 21:26:39,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:26:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:26:39,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:26:39,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2018-11-06 21:26:39,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 21:26:39,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2018-11-06 21:26:39,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-06 21:26:39,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-06 21:26:39,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-06 21:26:39,716 INFO L87 Difference]: Start difference. First operand 4899 states and 5511 transitions. Second operand 6 states. [2018-11-06 21:26:41,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:26:41,857 INFO L93 Difference]: Finished difference Result 13924 states and 16155 transitions. [2018-11-06 21:26:41,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-06 21:26:41,858 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 797 [2018-11-06 21:26:41,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:26:41,895 INFO L225 Difference]: With dead ends: 13924 [2018-11-06 21:26:41,896 INFO L226 Difference]: Without dead ends: 9206 [2018-11-06 21:26:41,902 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 808 GetRequests, 801 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-11-06 21:26:41,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9206 states. [2018-11-06 21:26:42,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9206 to 7761. [2018-11-06 21:26:42,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7761 states. [2018-11-06 21:26:42,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7761 states to 7761 states and 8717 transitions. [2018-11-06 21:26:42,046 INFO L78 Accepts]: Start accepts. Automaton has 7761 states and 8717 transitions. Word has length 797 [2018-11-06 21:26:42,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:26:42,047 INFO L480 AbstractCegarLoop]: Abstraction has 7761 states and 8717 transitions. [2018-11-06 21:26:42,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-06 21:26:42,048 INFO L276 IsEmpty]: Start isEmpty. Operand 7761 states and 8717 transitions. [2018-11-06 21:26:42,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2018-11-06 21:26:42,063 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:26:42,064 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:26:42,065 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:26:42,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:26:42,065 INFO L82 PathProgramCache]: Analyzing trace with hash 803064603, now seen corresponding path program 1 times [2018-11-06 21:26:42,065 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:26:42,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:26:42,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:42,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:26:42,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:26:43,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 1568 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2018-11-06 21:26:43,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:26:43,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 21:26:43,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:26:43,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:26:43,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:26:43,338 INFO L87 Difference]: Start difference. First operand 7761 states and 8717 transitions. Second operand 4 states. [2018-11-06 21:26:44,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:26:44,705 INFO L93 Difference]: Finished difference Result 17131 states and 19350 transitions. [2018-11-06 21:26:44,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:26:44,706 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 882 [2018-11-06 21:26:44,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:26:44,740 INFO L225 Difference]: With dead ends: 17131 [2018-11-06 21:26:44,741 INFO L226 Difference]: Without dead ends: 9551 [2018-11-06 21:26:44,751 INFO L604 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 [2018-11-06 21:26:44,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9551 states. [2018-11-06 21:26:44,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9551 to 9551. [2018-11-06 21:26:44,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9551 states. [2018-11-06 21:26:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9551 states to 9551 states and 10511 transitions. [2018-11-06 21:26:44,893 INFO L78 Accepts]: Start accepts. Automaton has 9551 states and 10511 transitions. Word has length 882 [2018-11-06 21:26:44,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:26:44,894 INFO L480 AbstractCegarLoop]: Abstraction has 9551 states and 10511 transitions. [2018-11-06 21:26:44,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:26:44,894 INFO L276 IsEmpty]: Start isEmpty. Operand 9551 states and 10511 transitions. [2018-11-06 21:26:44,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 979 [2018-11-06 21:26:44,908 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:26:44,909 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 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 21:26:44,909 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:26:44,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:26:44,910 INFO L82 PathProgramCache]: Analyzing trace with hash -541323729, now seen corresponding path program 1 times [2018-11-06 21:26:44,910 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:26:44,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:26:44,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:44,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:26:44,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:26:46,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3035 backedges. 471 proven. 0 refuted. 0 times theorem prover too weak. 2564 trivial. 0 not checked. [2018-11-06 21:26:46,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:26:46,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 21:26:46,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:26:46,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:26:46,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:26:46,076 INFO L87 Difference]: Start difference. First operand 9551 states and 10511 transitions. Second operand 4 states. [2018-11-06 21:26:47,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:26:47,343 INFO L93 Difference]: Finished difference Result 17838 states and 19672 transitions. [2018-11-06 21:26:47,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:26:47,351 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 978 [2018-11-06 21:26:47,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:26:47,353 INFO L225 Difference]: With dead ends: 17838 [2018-11-06 21:26:47,353 INFO L226 Difference]: Without dead ends: 0 [2018-11-06 21:26:47,365 INFO L604 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 [2018-11-06 21:26:47,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-06 21:26:47,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-06 21:26:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-06 21:26:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-06 21:26:47,366 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 978 [2018-11-06 21:26:47,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:26:47,366 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-06 21:26:47,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:26:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-06 21:26:47,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-06 21:26:47,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-06 21:26:47,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:47,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-06 21:26:48,080 WARN L179 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 36 [2018-11-06 21:26:48,728 WARN L179 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2018-11-06 21:26:48,733 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-06 21:26:48,734 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-06 21:26:48,734 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,734 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,734 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,734 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-06 21:26:48,734 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-06 21:26:48,734 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-06 21:26:48,735 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-06 21:26:48,735 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-06 21:26:48,735 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-06 21:26:48,735 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-06 21:26:48,735 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-06 21:26:48,735 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,735 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,736 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,736 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-06 21:26:48,736 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-06 21:26:48,736 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-06 21:26:48,736 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-06 21:26:48,736 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-06 21:26:48,736 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-06 21:26:48,737 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-06 21:26:48,737 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-06 21:26:48,737 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,737 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,737 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,737 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-06 21:26:48,737 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-06 21:26:48,737 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-06 21:26:48,738 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-06 21:26:48,738 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-06 21:26:48,738 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-06 21:26:48,738 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-06 21:26:48,738 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-06 21:26:48,738 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-06 21:26:48,738 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,738 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,738 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,739 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-06 21:26:48,739 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-06 21:26:48,739 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-06 21:26:48,739 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-06 21:26:48,739 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-06 21:26:48,739 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-06 21:26:48,739 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-06 21:26:48,740 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,740 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,740 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,740 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-06 21:26:48,740 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-06 21:26:48,740 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-06 21:26:48,740 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-06 21:26:48,740 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-06 21:26:48,741 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-06 21:26:48,741 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-06 21:26:48,741 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-06 21:26:48,741 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-06 21:26:48,741 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,741 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,741 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,741 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-06 21:26:48,741 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-06 21:26:48,742 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-06 21:26:48,742 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-06 21:26:48,742 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-06 21:26:48,742 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-06 21:26:48,742 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-06 21:26:48,742 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-06 21:26:48,742 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,742 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,743 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,743 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-06 21:26:48,743 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-06 21:26:48,743 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-06 21:26:48,743 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-06 21:26:48,743 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-06 21:26:48,743 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-06 21:26:48,743 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-06 21:26:48,743 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-06 21:26:48,744 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,744 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,744 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,744 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-06 21:26:48,744 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-06 21:26:48,744 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-06 21:26:48,745 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-06 21:26:48,745 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-06 21:26:48,745 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-06 21:26:48,745 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-06 21:26:48,745 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-06 21:26:48,745 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-06 21:26:48,745 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,745 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,745 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,746 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-06 21:26:48,746 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-06 21:26:48,746 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-06 21:26:48,746 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-06 21:26:48,746 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-06 21:26:48,746 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-06 21:26:48,746 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-06 21:26:48,746 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-06 21:26:48,747 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,747 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,747 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,747 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-06 21:26:48,747 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-06 21:26:48,747 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-06 21:26:48,747 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-06 21:26:48,747 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-06 21:26:48,747 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-06 21:26:48,748 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-11-06 21:26:48,748 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-06 21:26:48,748 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-06 21:26:48,748 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,748 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,748 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,748 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-06 21:26:48,749 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-06 21:26:48,749 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-06 21:26:48,749 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-06 21:26:48,749 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-06 21:26:48,749 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-06 21:26:48,749 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-06 21:26:48,749 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-06 21:26:48,749 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,750 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,750 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,750 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-06 21:26:48,750 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-06 21:26:48,750 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-06 21:26:48,750 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-06 21:26:48,750 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-06 21:26:48,750 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-06 21:26:48,751 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-06 21:26:48,751 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-06 21:26:48,751 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,751 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,751 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-06 21:26:48,751 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-06 21:26:48,751 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-06 21:26:48,751 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-06 21:26:48,752 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-06 21:26:48,752 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-06 21:26:48,752 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-06 21:26:48,752 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-06 21:26:48,752 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,752 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,752 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-06 21:26:48,752 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-06 21:26:48,753 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-06 21:26:48,753 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-06 21:26:48,753 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-06 21:26:48,753 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-06 21:26:48,753 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,753 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,754 INFO L421 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse1 (not (= ~a15~0 6))) (.cse0 (= ~a24~0 1)) (.cse3 (< 0 (+ ~a12~0 43))) (.cse2 (not (= ~a21~0 7)))) (or (and .cse0 (= ~a21~0 9)) (and (<= (+ ~a12~0 49) 0) .cse1 .cse2) (and .cse0 .cse1) (and (and (<= ~a12~0 80) .cse0 .cse3) (= ~a21~0 8)) (and .cse0 .cse3 (<= ~a21~0 6)) (and .cse0 (<= ~a12~0 11) .cse3 .cse2))) [2018-11-06 21:26:48,754 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 184) no Hoare annotation was computed. [2018-11-06 21:26:48,754 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-06 21:26:48,754 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-06 21:26:48,754 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-06 21:26:48,755 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-06 21:26:48,755 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-06 21:26:48,755 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-06 21:26:48,755 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-06 21:26:48,755 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-06 21:26:48,755 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,755 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,755 INFO L428 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2018-11-06 21:26:48,756 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-06 21:26:48,756 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-06 21:26:48,756 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-06 21:26:48,756 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-06 21:26:48,756 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-06 21:26:48,756 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-06 21:26:48,756 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-06 21:26:48,756 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,756 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,756 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-06 21:26:48,756 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-06 21:26:48,757 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-06 21:26:48,757 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-06 21:26:48,757 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-11-06 21:26:48,757 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-06 21:26:48,757 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-06 21:26:48,757 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,757 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,757 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-06 21:26:48,757 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,757 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-11-06 21:26:48,758 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-06 21:26:48,758 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse1 (not (= ~a15~0 6))) (.cse0 (= ~a24~0 1)) (.cse3 (< 0 (+ ~a12~0 43))) (.cse2 (not (= ~a21~0 7)))) (or (and .cse0 (= ~a21~0 9)) (and (<= (+ ~a12~0 49) 0) .cse1 .cse2) (and .cse0 .cse1) (and (and (<= ~a12~0 80) .cse0 .cse3) (= ~a21~0 8)) (and .cse0 .cse3 (<= ~a21~0 6)) (and .cse0 (<= ~a12~0 11) .cse3 .cse2))) [2018-11-06 21:26:48,758 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-06 21:26:48,758 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-06 21:26:48,758 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-06 21:26:48,758 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-06 21:26:48,758 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-06 21:26:48,758 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-06 21:26:48,758 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-06 21:26:48,758 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-06 21:26:48,758 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-06 21:26:48,758 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,759 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,759 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,759 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-06 21:26:48,759 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-06 21:26:48,759 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-06 21:26:48,759 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-06 21:26:48,759 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-06 21:26:48,759 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-06 21:26:48,759 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-06 21:26:48,759 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-06 21:26:48,760 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-06 21:26:48,760 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,760 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,760 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,760 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-06 21:26:48,760 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-06 21:26:48,760 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-06 21:26:48,760 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-06 21:26:48,760 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-06 21:26:48,761 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-06 21:26:48,761 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-06 21:26:48,761 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-06 21:26:48,761 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-06 21:26:48,761 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,761 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,761 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,761 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-06 21:26:48,761 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-06 21:26:48,762 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-06 21:26:48,762 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-06 21:26:48,762 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-06 21:26:48,762 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-06 21:26:48,762 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-06 21:26:48,762 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-06 21:26:48,762 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-06 21:26:48,762 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,762 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,762 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:26:48,763 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-06 21:26:48,763 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-06 21:26:48,763 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-06 21:26:48,763 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-06 21:26:48,763 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-06 21:26:48,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:26:48 BoogieIcfgContainer [2018-11-06 21:26:48,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 21:26:48,782 INFO L168 Benchmark]: Toolchain (without parser) took 42324.01 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 656.3 MB. Max. memory is 7.1 GB. [2018-11-06 21:26:48,784 INFO L168 Benchmark]: CDTParser took 0.25 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 21:26:48,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 924.87 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2018-11-06 21:26:48,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 278.12 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -831.3 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2018-11-06 21:26:48,786 INFO L168 Benchmark]: Boogie Preprocessor took 84.61 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2018-11-06 21:26:48,787 INFO L168 Benchmark]: RCFGBuilder took 3592.21 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: 121.1 MB). Peak memory consumption was 121.1 MB. Max. memory is 7.1 GB. [2018-11-06 21:26:48,788 INFO L168 Benchmark]: TraceAbstraction took 37438.41 ms. Allocated memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: 991.4 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -426.5 MB). Peak memory consumption was 564.9 MB. Max. memory is 7.1 GB. [2018-11-06 21:26:48,793 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 924.87 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 278.12 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -831.3 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.61 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3592.21 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: 121.1 MB). Peak memory consumption was 121.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37438.41 ms. Allocated memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: 991.4 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -426.5 MB). Peak memory consumption was 564.9 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: 880]: Loop Invariant Derived loop invariant: (((((a24 == 1 && a21 == 9) || ((a12 + 49 <= 0 && !(a15 == 6)) && !(a21 == 7))) || (a24 == 1 && !(a15 == 6))) || (((a12 <= 80 && a24 == 1) && 0 < a12 + 43) && a21 == 8)) || ((a24 == 1 && 0 < a12 + 43) && a21 <= 6)) || (((a24 == 1 && a12 <= 11) && 0 < a12 + 43) && !(a21 == 7)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((a24 == 1 && a21 == 9) || ((a12 + 49 <= 0 && !(a15 == 6)) && !(a21 == 7))) || (a24 == 1 && !(a15 == 6))) || (((a12 <= 80 && a24 == 1) && 0 < a12 + 43) && a21 == 8)) || ((a24 == 1 && 0 < a12 + 43) && a21 <= 6)) || (((a24 == 1 && a12 <= 11) && 0 < a12 + 43) && !(a21 == 7)) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. SAFE Result, 37.3s OverallTime, 9 OverallIterations, 9 TraceHistogramMax, 25.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1250 SDtfs, 5671 SDslu, 1019 SDs, 0 SdLazy, 12193 SolverSat, 2202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1398 GetRequests, 1358 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9551occurred in iteration=8, 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: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 2033 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 116 NumberOfFragments, 149 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4361 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1034 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 6109 NumberOfCodeBlocks, 6109 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 6098 ConstructedInterpolants, 0 QuantifiedInterpolants, 8198821 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1646 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 12627/12829 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...