java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label59_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:56:12,564 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:56:12,568 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:56:12,588 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:56:12,588 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:56:12,589 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:56:12,593 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:56:12,595 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:56:12,598 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:56:12,599 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:56:12,601 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:56:12,601 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:56:12,602 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:56:12,604 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:56:12,605 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:56:12,613 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:56:12,614 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:56:12,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:56:12,620 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:56:12,624 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:56:12,627 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:56:12,629 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:56:12,633 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-26 19:56:12,652 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-26 19:56:12,679 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:56:12,679 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:56:12,680 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:56:12,680 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:56:12,681 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:56:12,681 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:56:12,681 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 19:56:12,681 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:56:12,682 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:56:12,682 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:56:12,682 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:56:12,682 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:56:12,682 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:56:12,683 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:56:12,683 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:56:12,683 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:56:12,683 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:56:12,683 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:56:12,684 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:56:12,684 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:56:12,684 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:56:12,684 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:56:12,685 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:56:12,685 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 19:56:12,685 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:56:12,685 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:56:12,685 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:56:12,686 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 19:56:12,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:56:12,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:56:12,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:56:12,749 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:56:12,750 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:56:12,751 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label59_true-unreach-call_false-termination.c [2018-10-26 19:56:12,814 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0a35f7469/9fe4d7022caf4874986747237deb8a28/FLAG3a20bae3b [2018-10-26 19:56:13,410 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:56:13,412 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label59_true-unreach-call_false-termination.c [2018-10-26 19:56:13,431 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0a35f7469/9fe4d7022caf4874986747237deb8a28/FLAG3a20bae3b [2018-10-26 19:56:13,454 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0a35f7469/9fe4d7022caf4874986747237deb8a28 [2018-10-26 19:56:13,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:56:13,469 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 19:56:13,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:56:13,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:56:13,474 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:56:13,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:56:13" (1/1) ... [2018-10-26 19:56:13,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@580aa336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:13, skipping insertion in model container [2018-10-26 19:56:13,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:56:13" (1/1) ... [2018-10-26 19:56:13,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:56:13,563 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:56:14,024 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:56:14,038 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:56:14,156 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:56:14,174 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:56:14,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:14 WrapperNode [2018-10-26 19:56:14,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:56:14,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:56:14,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:56:14,176 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:56:14,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:14" (1/1) ... [2018-10-26 19:56:14,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:14" (1/1) ... [2018-10-26 19:56:14,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:56:14,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:56:14,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:56:14,369 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:56:14,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:14" (1/1) ... [2018-10-26 19:56:14,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:14" (1/1) ... [2018-10-26 19:56:14,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:14" (1/1) ... [2018-10-26 19:56:14,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:14" (1/1) ... [2018-10-26 19:56:14,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:14" (1/1) ... [2018-10-26 19:56:14,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:14" (1/1) ... [2018-10-26 19:56:14,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:14" (1/1) ... [2018-10-26 19:56:14,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:56:14,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:56:14,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:56:14,446 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:56:14,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:56:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 19:56:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:56:14,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:56:17,785 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:56:17,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:56:17 BoogieIcfgContainer [2018-10-26 19:56:17,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:56:17,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:56:17,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:56:17,798 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:56:17,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:56:13" (1/3) ... [2018-10-26 19:56:17,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3210e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:56:17, skipping insertion in model container [2018-10-26 19:56:17,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:14" (2/3) ... [2018-10-26 19:56:17,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3210e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:56:17, skipping insertion in model container [2018-10-26 19:56:17,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:56:17" (3/3) ... [2018-10-26 19:56:17,804 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label59_true-unreach-call_false-termination.c [2018-10-26 19:56:17,816 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:56:17,830 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:56:17,849 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:56:17,896 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:56:17,897 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:56:17,898 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:56:17,898 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:56:17,898 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:56:17,898 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:56:17,898 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:56:17,899 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:56:17,899 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:56:17,929 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-10-26 19:56:17,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-26 19:56:17,948 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:17,949 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:56:17,952 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:17,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:17,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1373899785, now seen corresponding path program 1 times [2018-10-26 19:56:17,962 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:17,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:18,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:18,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:18,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:18,606 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-26 19:56:18,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:18,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:18,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:56:18,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:56:18,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:56:18,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:18,659 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 4 states. [2018-10-26 19:56:21,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:21,010 INFO L93 Difference]: Finished difference Result 666 states and 1182 transitions. [2018-10-26 19:56:21,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:56:21,012 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 90 [2018-10-26 19:56:21,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:21,035 INFO L225 Difference]: With dead ends: 666 [2018-10-26 19:56:21,035 INFO L226 Difference]: Without dead ends: 460 [2018-10-26 19:56:21,040 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:21,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2018-10-26 19:56:21,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2018-10-26 19:56:21,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2018-10-26 19:56:21,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 736 transitions. [2018-10-26 19:56:21,133 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 736 transitions. Word has length 90 [2018-10-26 19:56:21,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:21,134 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 736 transitions. [2018-10-26 19:56:21,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:56:21,134 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 736 transitions. [2018-10-26 19:56:21,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 19:56:21,143 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:21,146 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:56:21,147 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:21,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:21,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1336174219, now seen corresponding path program 1 times [2018-10-26 19:56:21,147 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:21,148 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:21,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:21,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:21,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:21,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:21,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:56:21,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:56:21,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:56:21,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:56:21,392 INFO L87 Difference]: Start difference. First operand 460 states and 736 transitions. Second operand 3 states. [2018-10-26 19:56:22,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:22,398 INFO L93 Difference]: Finished difference Result 1314 states and 2143 transitions. [2018-10-26 19:56:22,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:56:22,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-10-26 19:56:22,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:22,407 INFO L225 Difference]: With dead ends: 1314 [2018-10-26 19:56:22,407 INFO L226 Difference]: Without dead ends: 856 [2018-10-26 19:56:22,410 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:56:22,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-10-26 19:56:22,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 856. [2018-10-26 19:56:22,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2018-10-26 19:56:22,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1264 transitions. [2018-10-26 19:56:22,469 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1264 transitions. Word has length 98 [2018-10-26 19:56:22,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:22,470 INFO L481 AbstractCegarLoop]: Abstraction has 856 states and 1264 transitions. [2018-10-26 19:56:22,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:56:22,470 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1264 transitions. [2018-10-26 19:56:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 19:56:22,475 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:22,475 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:56:22,475 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:22,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:22,476 INFO L82 PathProgramCache]: Analyzing trace with hash -995428052, now seen corresponding path program 1 times [2018-10-26 19:56:22,476 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:22,476 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:22,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:22,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:22,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:22,576 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:56:22,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:22,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:56:22,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:56:22,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:56:22,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:22,577 INFO L87 Difference]: Start difference. First operand 856 states and 1264 transitions. Second operand 4 states. [2018-10-26 19:56:25,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:25,602 INFO L93 Difference]: Finished difference Result 2502 states and 3727 transitions. [2018-10-26 19:56:25,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:56:25,603 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2018-10-26 19:56:25,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:25,614 INFO L225 Difference]: With dead ends: 2502 [2018-10-26 19:56:25,614 INFO L226 Difference]: Without dead ends: 1512 [2018-10-26 19:56:25,616 INFO L605 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 [2018-10-26 19:56:25,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2018-10-26 19:56:25,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1512. [2018-10-26 19:56:25,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1512 states. [2018-10-26 19:56:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 2035 transitions. [2018-10-26 19:56:25,667 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 2035 transitions. Word has length 105 [2018-10-26 19:56:25,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:25,667 INFO L481 AbstractCegarLoop]: Abstraction has 1512 states and 2035 transitions. [2018-10-26 19:56:25,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:56:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 2035 transitions. [2018-10-26 19:56:25,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 19:56:25,671 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:25,671 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:56:25,672 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:25,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:25,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1187843249, now seen corresponding path program 1 times [2018-10-26 19:56:25,672 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:25,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:25,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:25,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:25,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:25,796 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:56:25,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:25,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:56:25,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:56:25,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:56:25,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:56:25,798 INFO L87 Difference]: Start difference. First operand 1512 states and 2035 transitions. Second operand 3 states. [2018-10-26 19:56:26,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:26,787 INFO L93 Difference]: Finished difference Result 4474 states and 6044 transitions. [2018-10-26 19:56:26,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:56:26,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-10-26 19:56:26,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:26,800 INFO L225 Difference]: With dead ends: 4474 [2018-10-26 19:56:26,801 INFO L226 Difference]: Without dead ends: 2288 [2018-10-26 19:56:26,804 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:56:26,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2288 states. [2018-10-26 19:56:26,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2288 to 2288. [2018-10-26 19:56:26,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2288 states. [2018-10-26 19:56:26,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 2288 states and 2753 transitions. [2018-10-26 19:56:26,845 INFO L78 Accepts]: Start accepts. Automaton has 2288 states and 2753 transitions. Word has length 107 [2018-10-26 19:56:26,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:26,846 INFO L481 AbstractCegarLoop]: Abstraction has 2288 states and 2753 transitions. [2018-10-26 19:56:26,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:56:26,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 2753 transitions. [2018-10-26 19:56:26,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 19:56:26,849 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:26,849 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:56:26,849 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:26,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:26,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1030733115, now seen corresponding path program 1 times [2018-10-26 19:56:26,850 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:26,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:26,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:26,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:26,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:27,108 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 19:56:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:56:27,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:27,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:56:27,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:56:27,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:56:27,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:27,210 INFO L87 Difference]: Start difference. First operand 2288 states and 2753 transitions. Second operand 4 states. [2018-10-26 19:56:27,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:27,928 INFO L93 Difference]: Finished difference Result 4713 states and 5654 transitions. [2018-10-26 19:56:27,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 19:56:27,929 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2018-10-26 19:56:27,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:27,939 INFO L225 Difference]: With dead ends: 4713 [2018-10-26 19:56:27,939 INFO L226 Difference]: Without dead ends: 2427 [2018-10-26 19:56:27,943 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:56:27,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2427 states. [2018-10-26 19:56:27,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2427 to 2420. [2018-10-26 19:56:27,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2420 states. [2018-10-26 19:56:27,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 2888 transitions. [2018-10-26 19:56:27,982 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 2888 transitions. Word has length 115 [2018-10-26 19:56:27,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:27,982 INFO L481 AbstractCegarLoop]: Abstraction has 2420 states and 2888 transitions. [2018-10-26 19:56:27,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:56:27,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 2888 transitions. [2018-10-26 19:56:27,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 19:56:27,985 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:27,985 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:56:27,986 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:27,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:27,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1029366675, now seen corresponding path program 1 times [2018-10-26 19:56:27,986 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:27,986 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:27,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:27,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:27,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:56:28,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:28,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:56:28,117 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:56:28,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:56:28,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:28,118 INFO L87 Difference]: Start difference. First operand 2420 states and 2888 transitions. Second operand 4 states. [2018-10-26 19:56:29,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:29,159 INFO L93 Difference]: Finished difference Result 4970 states and 5957 transitions. [2018-10-26 19:56:29,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:56:29,159 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2018-10-26 19:56:29,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:29,171 INFO L225 Difference]: With dead ends: 4970 [2018-10-26 19:56:29,171 INFO L226 Difference]: Without dead ends: 2684 [2018-10-26 19:56:29,175 INFO L605 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 [2018-10-26 19:56:29,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2018-10-26 19:56:29,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2684. [2018-10-26 19:56:29,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2684 states. [2018-10-26 19:56:29,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 3172 transitions. [2018-10-26 19:56:29,219 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 3172 transitions. Word has length 120 [2018-10-26 19:56:29,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:29,219 INFO L481 AbstractCegarLoop]: Abstraction has 2684 states and 3172 transitions. [2018-10-26 19:56:29,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:56:29,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 3172 transitions. [2018-10-26 19:56:29,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 19:56:29,223 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:29,223 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:56:29,223 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:29,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:29,224 INFO L82 PathProgramCache]: Analyzing trace with hash -15265412, now seen corresponding path program 1 times [2018-10-26 19:56:29,224 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:29,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:29,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:29,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:29,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:29,469 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:29,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:29,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:56:29,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:56:29,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:56:29,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:29,471 INFO L87 Difference]: Start difference. First operand 2684 states and 3172 transitions. Second operand 4 states. [2018-10-26 19:56:30,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:30,770 INFO L93 Difference]: Finished difference Result 7214 states and 8636 transitions. [2018-10-26 19:56:30,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:56:30,771 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2018-10-26 19:56:30,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:30,786 INFO L225 Difference]: With dead ends: 7214 [2018-10-26 19:56:30,786 INFO L226 Difference]: Without dead ends: 4664 [2018-10-26 19:56:30,791 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:30,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4664 states. [2018-10-26 19:56:30,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4664 to 4400. [2018-10-26 19:56:30,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4400 states. [2018-10-26 19:56:30,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4400 states to 4400 states and 5068 transitions. [2018-10-26 19:56:30,866 INFO L78 Accepts]: Start accepts. Automaton has 4400 states and 5068 transitions. Word has length 137 [2018-10-26 19:56:30,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:30,866 INFO L481 AbstractCegarLoop]: Abstraction has 4400 states and 5068 transitions. [2018-10-26 19:56:30,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:56:30,866 INFO L276 IsEmpty]: Start isEmpty. Operand 4400 states and 5068 transitions. [2018-10-26 19:56:30,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 19:56:30,870 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:30,870 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-26 19:56:30,870 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:30,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:30,871 INFO L82 PathProgramCache]: Analyzing trace with hash 744617161, now seen corresponding path program 1 times [2018-10-26 19:56:30,871 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:30,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:30,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:30,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:30,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:31,203 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:31,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:31,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:56:31,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:56:31,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:56:31,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:31,205 INFO L87 Difference]: Start difference. First operand 4400 states and 5068 transitions. Second operand 4 states. [2018-10-26 19:56:32,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:32,242 INFO L93 Difference]: Finished difference Result 8264 states and 9541 transitions. [2018-10-26 19:56:32,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:56:32,247 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2018-10-26 19:56:32,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:32,259 INFO L225 Difference]: With dead ends: 8264 [2018-10-26 19:56:32,259 INFO L226 Difference]: Without dead ends: 3998 [2018-10-26 19:56:32,263 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:32,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3998 states. [2018-10-26 19:56:32,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3998 to 3998. [2018-10-26 19:56:32,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3998 states. [2018-10-26 19:56:32,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3998 states to 3998 states and 4464 transitions. [2018-10-26 19:56:32,321 INFO L78 Accepts]: Start accepts. Automaton has 3998 states and 4464 transitions. Word has length 150 [2018-10-26 19:56:32,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:32,321 INFO L481 AbstractCegarLoop]: Abstraction has 3998 states and 4464 transitions. [2018-10-26 19:56:32,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:56:32,322 INFO L276 IsEmpty]: Start isEmpty. Operand 3998 states and 4464 transitions. [2018-10-26 19:56:32,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-26 19:56:32,326 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:32,326 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:56:32,326 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:32,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:32,327 INFO L82 PathProgramCache]: Analyzing trace with hash -529483922, now seen corresponding path program 1 times [2018-10-26 19:56:32,327 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:32,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:32,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:32,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:32,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:32,645 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 19:56:32,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:32,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:56:32,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:56:32,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:56:32,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:32,647 INFO L87 Difference]: Start difference. First operand 3998 states and 4464 transitions. Second operand 4 states. [2018-10-26 19:56:35,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:35,740 INFO L93 Difference]: Finished difference Result 7994 states and 8946 transitions. [2018-10-26 19:56:35,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:56:35,740 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2018-10-26 19:56:35,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:35,755 INFO L225 Difference]: With dead ends: 7994 [2018-10-26 19:56:35,756 INFO L226 Difference]: Without dead ends: 3996 [2018-10-26 19:56:35,760 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:35,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3996 states. [2018-10-26 19:56:35,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3996 to 3864. [2018-10-26 19:56:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3864 states. [2018-10-26 19:56:35,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 4211 transitions. [2018-10-26 19:56:35,820 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 4211 transitions. Word has length 164 [2018-10-26 19:56:35,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:35,821 INFO L481 AbstractCegarLoop]: Abstraction has 3864 states and 4211 transitions. [2018-10-26 19:56:35,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:56:35,821 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 4211 transitions. [2018-10-26 19:56:35,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-26 19:56:35,828 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:35,828 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:56:35,828 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:35,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:35,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1076562399, now seen corresponding path program 1 times [2018-10-26 19:56:35,829 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:35,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:35,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:35,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:35,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:36,237 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2018-10-26 19:56:36,499 WARN L179 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2018-10-26 19:56:36,905 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:36,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:36,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 19:56:36,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:56:36,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:56:36,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:56:36,907 INFO L87 Difference]: Start difference. First operand 3864 states and 4211 transitions. Second operand 7 states. [2018-10-26 19:56:39,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:39,301 INFO L93 Difference]: Finished difference Result 7480 states and 8143 transitions. [2018-10-26 19:56:39,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 19:56:39,301 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2018-10-26 19:56:39,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:39,311 INFO L225 Difference]: With dead ends: 7480 [2018-10-26 19:56:39,311 INFO L226 Difference]: Without dead ends: 2690 [2018-10-26 19:56:39,316 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:56:39,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2018-10-26 19:56:39,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2666. [2018-10-26 19:56:39,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2666 states. [2018-10-26 19:56:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2666 states and 2833 transitions. [2018-10-26 19:56:39,351 INFO L78 Accepts]: Start accepts. Automaton has 2666 states and 2833 transitions. Word has length 167 [2018-10-26 19:56:39,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:39,351 INFO L481 AbstractCegarLoop]: Abstraction has 2666 states and 2833 transitions. [2018-10-26 19:56:39,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:56:39,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 2833 transitions. [2018-10-26 19:56:39,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-26 19:56:39,355 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:39,356 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-26 19:56:39,356 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:39,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:39,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1807079308, now seen corresponding path program 1 times [2018-10-26 19:56:39,357 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:39,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:39,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:39,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:39,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:39,592 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 19:56:39,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:39,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:56:39,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:56:39,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:56:39,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:39,594 INFO L87 Difference]: Start difference. First operand 2666 states and 2833 transitions. Second operand 4 states. [2018-10-26 19:56:40,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:40,344 INFO L93 Difference]: Finished difference Result 5586 states and 5952 transitions. [2018-10-26 19:56:40,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:56:40,345 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 217 [2018-10-26 19:56:40,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:40,346 INFO L225 Difference]: With dead ends: 5586 [2018-10-26 19:56:40,346 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 19:56:40,351 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:40,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 19:56:40,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 19:56:40,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 19:56:40,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 19:56:40,352 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 217 [2018-10-26 19:56:40,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:40,352 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 19:56:40,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:56:40,352 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 19:56:40,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:56:40,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 19:56:42,834 WARN L179 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-10-26 19:56:43,473 WARN L179 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2018-10-26 19:56:43,476 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-26 19:56:43,477 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-26 19:56:43,477 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,477 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,477 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,477 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,477 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,477 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,478 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-26 19:56:43,478 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-26 19:56:43,478 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-26 19:56:43,478 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-26 19:56:43,478 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-26 19:56:43,478 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-26 19:56:43,478 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-26 19:56:43,478 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-26 19:56:43,478 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-26 19:56:43,479 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-26 19:56:43,479 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,479 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,479 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,479 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,479 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,479 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,479 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-26 19:56:43,479 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-26 19:56:43,480 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-26 19:56:43,480 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-26 19:56:43,480 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-26 19:56:43,480 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-26 19:56:43,480 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-26 19:56:43,480 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-26 19:56:43,480 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-26 19:56:43,480 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-26 19:56:43,481 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-26 19:56:43,481 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-26 19:56:43,481 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-26 19:56:43,481 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-26 19:56:43,481 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-10-26 19:56:43,481 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,481 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,481 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,482 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,482 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,482 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-26 19:56:43,482 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-26 19:56:43,482 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-26 19:56:43,482 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-26 19:56:43,482 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-26 19:56:43,482 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-26 19:56:43,483 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-26 19:56:43,483 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-26 19:56:43,483 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-26 19:56:43,484 INFO L421 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (= ~a7~0 1))) (let ((.cse5 (= ~a16~0 5)) (.cse6 (= ~a8~0 13)) (.cse8 (= ~a16~0 4)) (.cse1 (= ~a17~0 1)) (.cse2 (= ~a21~0 1)) (.cse9 (<= ~a20~0 0)) (.cse10 (not .cse0)) (.cse3 (= ~a8~0 15)) (.cse7 (<= ~a17~0 0)) (.cse4 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2) (and (not (= 1 ULTIMATE.start_calculate_output_~input)) .cse3 .cse1 (= ~a12~0 8) .cse2 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse4) (and .cse8 .cse7 .cse9) (and .cse0 .cse7 .cse4 .cse5) (and .cse10 .cse8 .cse7 .cse4) (and .cse0 .cse3 .cse5) (and .cse3 .cse1 .cse2 .cse9) (and .cse7 .cse9 .cse5) (and .cse3 .cse7 .cse9) (and .cse6 .cse1 .cse2 .cse4) (and .cse0 .cse6 .cse1) (and .cse8 .cse1 (not .cse3) .cse2 .cse4) (and .cse0 .cse7 .cse9) (and .cse10 .cse3 .cse7 .cse4)))) [2018-10-26 19:56:43,484 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,484 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,484 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,484 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,484 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,484 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-26 19:56:43,485 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-26 19:56:43,485 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-26 19:56:43,485 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-26 19:56:43,485 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-26 19:56:43,485 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-26 19:56:43,485 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-26 19:56:43,485 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-26 19:56:43,485 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-26 19:56:43,486 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-26 19:56:43,486 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-26 19:56:43,486 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-26 19:56:43,486 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-26 19:56:43,486 INFO L428 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-10-26 19:56:43,486 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,487 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,487 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,487 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,487 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,487 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-26 19:56:43,487 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-26 19:56:43,487 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-26 19:56:43,487 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-26 19:56:43,488 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-26 19:56:43,488 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-26 19:56:43,488 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-26 19:56:43,488 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-26 19:56:43,488 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-26 19:56:43,488 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,488 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,488 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,489 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,489 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,489 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-26 19:56:43,489 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-26 19:56:43,489 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-26 19:56:43,489 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-26 19:56:43,489 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-26 19:56:43,490 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-26 19:56:43,490 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-26 19:56:43,490 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-26 19:56:43,490 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-26 19:56:43,490 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-26 19:56:43,490 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-26 19:56:43,490 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-26 19:56:43,491 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 443) no Hoare annotation was computed. [2018-10-26 19:56:43,491 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-26 19:56:43,491 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-26 19:56:43,491 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-26 19:56:43,491 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-26 19:56:43,491 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,492 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,492 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,492 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a7~0 1))) (let ((.cse8 (= ~a16~0 5)) (.cse3 (= ~a8~0 13)) (.cse6 (= ~a16~0 4)) (.cse1 (= ~a17~0 1)) (.cse2 (= ~a21~0 1)) (.cse7 (<= ~a20~0 0)) (.cse10 (not .cse0)) (.cse9 (= ~a8~0 15)) (.cse4 (<= ~a17~0 0)) (.cse5 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5) (and .cse6 .cse4 .cse7) (and .cse0 .cse4 .cse5 .cse8) (and .cse9 (= ~a12~0 8) .cse1 .cse2 .cse5 .cse8) (and .cse10 .cse6 .cse4 .cse5) (and .cse0 .cse9 .cse8) (and .cse9 .cse1 .cse2 .cse7) (and .cse4 .cse7 .cse8) (and .cse9 .cse4 .cse7) (and .cse3 .cse1 .cse2 .cse5) (and .cse0 .cse3 .cse1) (and .cse6 .cse1 (not .cse9) .cse2 .cse5) (and .cse0 .cse4 .cse7) (and .cse10 .cse9 .cse4 .cse5)))) [2018-10-26 19:56:43,492 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,492 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,493 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-26 19:56:43,493 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-26 19:56:43,493 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-26 19:56:43,493 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-26 19:56:43,493 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-26 19:56:43,493 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-26 19:56:43,493 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-26 19:56:43,494 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-26 19:56:43,494 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,494 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,494 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,494 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,494 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,494 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-26 19:56:43,494 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:56:43,495 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-26 19:56:43,495 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-26 19:56:43,495 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-26 19:56:43,495 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-26 19:56:43,495 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-26 19:56:43,495 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-26 19:56:43,496 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-26 19:56:43,496 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-26 19:56:43,496 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-26 19:56:43,496 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-26 19:56:43,496 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-26 19:56:43,496 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,496 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,496 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,497 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,497 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,497 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-26 19:56:43,497 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,497 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-26 19:56:43,497 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-26 19:56:43,497 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:56:43,498 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-26 19:56:43,498 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-26 19:56:43,498 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-26 19:56:43,498 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-26 19:56:43,498 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-26 19:56:43,498 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-26 19:56:43,498 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-26 19:56:43,498 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-26 19:56:43,499 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-26 19:56:43,499 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-26 19:56:43,499 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,499 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,499 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,499 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,499 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,500 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,500 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-26 19:56:43,500 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-26 19:56:43,500 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-26 19:56:43,500 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-26 19:56:43,500 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-26 19:56:43,500 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-26 19:56:43,500 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-26 19:56:43,500 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-26 19:56:43,501 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-26 19:56:43,501 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-26 19:56:43,501 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-26 19:56:43,501 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-26 19:56:43,501 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-26 19:56:43,501 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-26 19:56:43,501 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-26 19:56:43,501 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-26 19:56:43,501 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,502 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,502 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,502 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,502 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,502 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:43,502 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-26 19:56:43,502 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-26 19:56:43,502 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-26 19:56:43,502 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-26 19:56:43,503 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-26 19:56:43,503 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-26 19:56:43,503 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-26 19:56:43,503 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-26 19:56:43,503 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-26 19:56:43,503 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-26 19:56:43,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:56:43 BoogieIcfgContainer [2018-10-26 19:56:43,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:56:43,530 INFO L168 Benchmark]: Toolchain (without parser) took 30061.94 ms. Allocated memory was 1.6 GB in the beginning and 2.7 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -352.7 MB). Peak memory consumption was 767.7 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:43,534 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 19:56:43,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.45 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:43,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.67 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -832.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:43,537 INFO L168 Benchmark]: Boogie Preprocessor took 76.22 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 19:56:43,538 INFO L168 Benchmark]: RCFGBuilder took 3345.21 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: 104.5 MB). Peak memory consumption was 104.5 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:43,541 INFO L168 Benchmark]: TraceAbstraction took 25737.07 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 371.7 MB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 333.0 MB). Peak memory consumption was 704.7 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:43,549 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 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 704.45 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 193.67 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -832.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.22 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3345.21 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: 104.5 MB). Peak memory consumption was 104.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25737.07 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 371.7 MB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 333.0 MB). Peak memory consumption was 704.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 443]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((((a7 == 1 && a17 == 1) && a21 == 1) || (((a7 == 1 && a8 == 13) && a17 <= 0) && a20 == 1)) || ((a16 == 4 && a17 <= 0) && a20 <= 0)) || (((a7 == 1 && a17 <= 0) && a20 == 1) && a16 == 5)) || (((((a8 == 15 && a12 == 8) && a17 == 1) && a21 == 1) && a20 == 1) && a16 == 5)) || (((!(a7 == 1) && a16 == 4) && a17 <= 0) && a20 == 1)) || ((a7 == 1 && a8 == 15) && a16 == 5)) || (((a8 == 15 && a17 == 1) && a21 == 1) && a20 <= 0)) || ((a17 <= 0 && a20 <= 0) && a16 == 5)) || ((a8 == 15 && a17 <= 0) && a20 <= 0)) || (((a8 == 13 && a17 == 1) && a21 == 1) && a20 == 1)) || ((a7 == 1 && a8 == 13) && a17 == 1)) || ((((a16 == 4 && a17 == 1) && !(a8 == 15)) && a21 == 1) && a20 == 1)) || ((a7 == 1 && a17 <= 0) && a20 <= 0)) || (((!(a7 == 1) && a8 == 15) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((((((((a7 == 1 && a17 == 1) && a21 == 1) || ((((((!(1 == input) && a8 == 15) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) && a16 == 5)) || (((a7 == 1 && a8 == 13) && a17 <= 0) && a20 == 1)) || ((a16 == 4 && a17 <= 0) && a20 <= 0)) || (((a7 == 1 && a17 <= 0) && a20 == 1) && a16 == 5)) || (((!(a7 == 1) && a16 == 4) && a17 <= 0) && a20 == 1)) || ((a7 == 1 && a8 == 15) && a16 == 5)) || (((a8 == 15 && a17 == 1) && a21 == 1) && a20 <= 0)) || ((a17 <= 0 && a20 <= 0) && a16 == 5)) || ((a8 == 15 && a17 <= 0) && a20 <= 0)) || (((a8 == 13 && a17 == 1) && a21 == 1) && a20 == 1)) || ((a7 == 1 && a8 == 13) && a17 == 1)) || ((((a16 == 4 && a17 == 1) && !(a8 == 15)) && a21 == 1) && a20 == 1)) || ((a7 == 1 && a17 <= 0) && a20 <= 0)) || (((!(a7 == 1) && a8 == 15) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 25.6s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 17.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1706 SDtfs, 3353 SDslu, 589 SDs, 0 SdLazy, 6115 SolverSat, 1107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4400occurred in iteration=7, 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: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 427 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 82 NumberOfFragments, 379 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1513 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 62 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1470 NumberOfCodeBlocks, 1470 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1459 ConstructedInterpolants, 0 QuantifiedInterpolants, 504984 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 688/688 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...