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/Problem14_label49_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 16:31:05,682 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 16:31:05,684 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 16:31:05,707 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 16:31:05,707 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 16:31:05,710 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 16:31:05,713 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 16:31:05,715 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 16:31:05,718 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 16:31:05,720 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 16:31:05,722 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 16:31:05,722 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 16:31:05,725 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 16:31:05,726 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 16:31:05,727 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 16:31:05,730 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 16:31:05,732 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 16:31:05,734 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 16:31:05,746 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 16:31:05,747 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 16:31:05,748 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 16:31:05,752 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 16:31:05,755 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 16:31:05,772 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 16:31:05,800 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 16:31:05,800 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 16:31:05,801 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 16:31:05,801 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 16:31:05,802 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 16:31:05,802 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 16:31:05,802 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 16:31:05,803 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 16:31:05,803 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 16:31:05,803 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 16:31:05,803 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 16:31:05,803 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 16:31:05,804 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 16:31:05,804 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 16:31:05,804 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 16:31:05,804 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 16:31:05,804 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 16:31:05,805 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 16:31:05,805 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 16:31:05,805 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:31:05,805 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 16:31:05,805 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 16:31:05,806 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 16:31:05,806 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 16:31:05,806 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 16:31:05,806 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 16:31:05,806 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 16:31:05,807 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 16:31:05,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 16:31:05,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 16:31:05,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 16:31:05,877 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 16:31:05,877 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 16:31:05,878 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c [2018-10-24 16:31:05,950 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f8a3f4a74/acf1940a357c4e439e047cc811e2e111/FLAG7448727b9 [2018-10-24 16:31:06,548 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 16:31:06,549 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c [2018-10-24 16:31:06,569 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f8a3f4a74/acf1940a357c4e439e047cc811e2e111/FLAG7448727b9 [2018-10-24 16:31:06,594 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f8a3f4a74/acf1940a357c4e439e047cc811e2e111 [2018-10-24 16:31:06,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 16:31:06,608 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 16:31:06,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 16:31:06,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 16:31:06,614 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 16:31:06,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:31:06" (1/1) ... [2018-10-24 16:31:06,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b394b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:06, skipping insertion in model container [2018-10-24 16:31:06,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:31:06" (1/1) ... [2018-10-24 16:31:06,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 16:31:06,691 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 16:31:07,182 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:31:07,187 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 16:31:07,375 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:31:07,396 INFO L193 MainTranslator]: Completed translation [2018-10-24 16:31:07,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:07 WrapperNode [2018-10-24 16:31:07,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 16:31:07,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 16:31:07,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 16:31:07,398 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 16:31:07,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:07" (1/1) ... [2018-10-24 16:31:07,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:07" (1/1) ... [2018-10-24 16:31:07,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 16:31:07,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 16:31:07,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 16:31:07,627 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 16:31:07,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:07" (1/1) ... [2018-10-24 16:31:07,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:07" (1/1) ... [2018-10-24 16:31:07,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:07" (1/1) ... [2018-10-24 16:31:07,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:07" (1/1) ... [2018-10-24 16:31:07,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:07" (1/1) ... [2018-10-24 16:31:07,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:07" (1/1) ... [2018-10-24 16:31:07,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:07" (1/1) ... [2018-10-24 16:31:07,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 16:31:07,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 16:31:07,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 16:31:07,752 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 16:31:07,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:31:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 16:31:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 16:31:07,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 16:31:11,701 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 16:31:11,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:31:11 BoogieIcfgContainer [2018-10-24 16:31:11,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 16:31:11,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 16:31:11,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 16:31:11,709 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 16:31:11,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:31:06" (1/3) ... [2018-10-24 16:31:11,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b279ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:31:11, skipping insertion in model container [2018-10-24 16:31:11,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:07" (2/3) ... [2018-10-24 16:31:11,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b279ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:31:11, skipping insertion in model container [2018-10-24 16:31:11,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:31:11" (3/3) ... [2018-10-24 16:31:11,715 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label49_true-unreach-call_false-termination.c [2018-10-24 16:31:11,726 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 16:31:11,740 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 16:31:11,759 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 16:31:11,794 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 16:31:11,795 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 16:31:11,795 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 16:31:11,795 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 16:31:11,796 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 16:31:11,796 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 16:31:11,796 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 16:31:11,796 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 16:31:11,796 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 16:31:11,821 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2018-10-24 16:31:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-24 16:31:11,832 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:11,835 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] [2018-10-24 16:31:11,837 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:11,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:11,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1074201598, now seen corresponding path program 1 times [2018-10-24 16:31:11,845 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:11,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:11,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:11,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:11,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:12,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:31:12,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:12,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:31:12,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:31:12,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:31:12,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:12,416 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 4 states. [2018-10-24 16:31:15,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:15,626 INFO L93 Difference]: Finished difference Result 854 states and 1562 transitions. [2018-10-24 16:31:15,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:31:15,629 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-10-24 16:31:15,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:15,653 INFO L225 Difference]: With dead ends: 854 [2018-10-24 16:31:15,653 INFO L226 Difference]: Without dead ends: 601 [2018-10-24 16:31:15,658 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:15,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2018-10-24 16:31:15,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2018-10-24 16:31:15,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2018-10-24 16:31:15,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 997 transitions. [2018-10-24 16:31:15,747 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 997 transitions. Word has length 60 [2018-10-24 16:31:15,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:15,748 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 997 transitions. [2018-10-24 16:31:15,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:31:15,749 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 997 transitions. [2018-10-24 16:31:15,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-24 16:31:15,755 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:15,755 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:15,756 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:15,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:15,756 INFO L82 PathProgramCache]: Analyzing trace with hash -254809134, now seen corresponding path program 1 times [2018-10-24 16:31:15,757 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:15,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:15,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:15,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:15,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:31:16,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:16,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:31:16,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:31:16,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:31:16,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:16,005 INFO L87 Difference]: Start difference. First operand 601 states and 997 transitions. Second operand 4 states. [2018-10-24 16:31:18,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:18,952 INFO L93 Difference]: Finished difference Result 2274 states and 3860 transitions. [2018-10-24 16:31:18,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:31:18,952 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2018-10-24 16:31:18,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:18,964 INFO L225 Difference]: With dead ends: 2274 [2018-10-24 16:31:18,964 INFO L226 Difference]: Without dead ends: 1675 [2018-10-24 16:31:18,971 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 [2018-10-24 16:31:18,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2018-10-24 16:31:19,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1675. [2018-10-24 16:31:19,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1675 states. [2018-10-24 16:31:19,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 2493 transitions. [2018-10-24 16:31:19,062 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 2493 transitions. Word has length 127 [2018-10-24 16:31:19,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:19,063 INFO L481 AbstractCegarLoop]: Abstraction has 1675 states and 2493 transitions. [2018-10-24 16:31:19,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:31:19,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2493 transitions. [2018-10-24 16:31:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-24 16:31:19,074 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:19,074 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:19,074 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:19,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:19,077 INFO L82 PathProgramCache]: Analyzing trace with hash -951327539, now seen corresponding path program 1 times [2018-10-24 16:31:19,077 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:19,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:19,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:19,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:19,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:19,399 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:31:19,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:19,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:31:19,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:31:19,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:31:19,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:19,403 INFO L87 Difference]: Start difference. First operand 1675 states and 2493 transitions. Second operand 4 states. [2018-10-24 16:31:22,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:22,441 INFO L93 Difference]: Finished difference Result 5512 states and 8130 transitions. [2018-10-24 16:31:22,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:31:22,442 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2018-10-24 16:31:22,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:22,463 INFO L225 Difference]: With dead ends: 5512 [2018-10-24 16:31:22,464 INFO L226 Difference]: Without dead ends: 3839 [2018-10-24 16:31:22,467 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 [2018-10-24 16:31:22,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3839 states. [2018-10-24 16:31:22,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3839 to 3839. [2018-10-24 16:31:22,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3839 states. [2018-10-24 16:31:22,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 3839 states and 5093 transitions. [2018-10-24 16:31:22,546 INFO L78 Accepts]: Start accepts. Automaton has 3839 states and 5093 transitions. Word has length 129 [2018-10-24 16:31:22,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:22,548 INFO L481 AbstractCegarLoop]: Abstraction has 3839 states and 5093 transitions. [2018-10-24 16:31:22,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:31:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand 3839 states and 5093 transitions. [2018-10-24 16:31:22,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-10-24 16:31:22,558 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:22,559 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:22,559 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:22,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:22,560 INFO L82 PathProgramCache]: Analyzing trace with hash -12632248, now seen corresponding path program 1 times [2018-10-24 16:31:22,560 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:22,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:22,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:22,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:22,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:23,057 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2018-10-24 16:31:23,202 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 261 proven. 5 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-10-24 16:31:23,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:31:23,202 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:31:23,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:23,320 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:31:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2018-10-24 16:31:23,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:31:23,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-10-24 16:31:23,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 16:31:23,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 16:31:23,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 16:31:23,576 INFO L87 Difference]: Start difference. First operand 3839 states and 5093 transitions. Second operand 6 states. [2018-10-24 16:31:33,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:33,200 INFO L93 Difference]: Finished difference Result 11261 states and 14847 transitions. [2018-10-24 16:31:33,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 16:31:33,202 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 320 [2018-10-24 16:31:33,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:33,227 INFO L225 Difference]: With dead ends: 11261 [2018-10-24 16:31:33,227 INFO L226 Difference]: Without dead ends: 5616 [2018-10-24 16:31:33,235 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2018-10-24 16:31:33,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5616 states. [2018-10-24 16:31:33,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5616 to 4710. [2018-10-24 16:31:33,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4710 states. [2018-10-24 16:31:33,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4710 states to 4710 states and 5364 transitions. [2018-10-24 16:31:33,338 INFO L78 Accepts]: Start accepts. Automaton has 4710 states and 5364 transitions. Word has length 320 [2018-10-24 16:31:33,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:33,338 INFO L481 AbstractCegarLoop]: Abstraction has 4710 states and 5364 transitions. [2018-10-24 16:31:33,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 16:31:33,339 INFO L276 IsEmpty]: Start isEmpty. Operand 4710 states and 5364 transitions. [2018-10-24 16:31:33,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2018-10-24 16:31:33,356 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:33,357 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:33,357 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:33,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:33,358 INFO L82 PathProgramCache]: Analyzing trace with hash -2041965277, now seen corresponding path program 1 times [2018-10-24 16:31:33,358 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:33,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:33,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:33,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:33,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:33,891 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-10-24 16:31:34,504 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 552 proven. 46 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-10-24 16:31:34,505 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:31:34,505 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:31:34,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:34,651 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:31:34,828 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2018-10-24 16:31:34,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:31:34,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-10-24 16:31:34,851 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 16:31:34,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 16:31:34,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-10-24 16:31:34,851 INFO L87 Difference]: Start difference. First operand 4710 states and 5364 transitions. Second operand 8 states. [2018-10-24 16:31:39,198 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2018-10-24 16:31:49,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:49,073 INFO L93 Difference]: Finished difference Result 11049 states and 12619 transitions. [2018-10-24 16:31:49,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 16:31:49,073 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 544 [2018-10-24 16:31:49,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:49,089 INFO L225 Difference]: With dead ends: 11049 [2018-10-24 16:31:49,090 INFO L226 Difference]: Without dead ends: 5617 [2018-10-24 16:31:49,098 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 545 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-10-24 16:31:49,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5617 states. [2018-10-24 16:31:49,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5617 to 5418. [2018-10-24 16:31:49,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5418 states. [2018-10-24 16:31:49,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5418 states to 5418 states and 6072 transitions. [2018-10-24 16:31:49,181 INFO L78 Accepts]: Start accepts. Automaton has 5418 states and 6072 transitions. Word has length 544 [2018-10-24 16:31:49,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:49,182 INFO L481 AbstractCegarLoop]: Abstraction has 5418 states and 6072 transitions. [2018-10-24 16:31:49,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 16:31:49,182 INFO L276 IsEmpty]: Start isEmpty. Operand 5418 states and 6072 transitions. [2018-10-24 16:31:49,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 691 [2018-10-24 16:31:49,206 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:49,206 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 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] [2018-10-24 16:31:49,207 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:49,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:49,207 INFO L82 PathProgramCache]: Analyzing trace with hash 2139534278, now seen corresponding path program 1 times [2018-10-24 16:31:49,207 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:49,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:49,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:49,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:49,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:49,826 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-24 16:31:50,175 WARN L179 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-10-24 16:31:50,664 WARN L179 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 17 [2018-10-24 16:31:50,932 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-24 16:31:51,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1769 backedges. 1120 proven. 0 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2018-10-24 16:31:51,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:51,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 16:31:51,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 16:31:51,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 16:31:51,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-24 16:31:51,246 INFO L87 Difference]: Start difference. First operand 5418 states and 6072 transitions. Second operand 7 states. [2018-10-24 16:31:52,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:52,927 INFO L93 Difference]: Finished difference Result 10897 states and 12224 transitions. [2018-10-24 16:31:52,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 16:31:52,934 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 690 [2018-10-24 16:31:52,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:52,953 INFO L225 Difference]: With dead ends: 10897 [2018-10-24 16:31:52,953 INFO L226 Difference]: Without dead ends: 5057 [2018-10-24 16:31:52,959 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-24 16:31:52,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5057 states. [2018-10-24 16:31:53,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5057 to 5057. [2018-10-24 16:31:53,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5057 states. [2018-10-24 16:31:53,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5057 states to 5057 states and 5617 transitions. [2018-10-24 16:31:53,047 INFO L78 Accepts]: Start accepts. Automaton has 5057 states and 5617 transitions. Word has length 690 [2018-10-24 16:31:53,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:53,048 INFO L481 AbstractCegarLoop]: Abstraction has 5057 states and 5617 transitions. [2018-10-24 16:31:53,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 16:31:53,048 INFO L276 IsEmpty]: Start isEmpty. Operand 5057 states and 5617 transitions. [2018-10-24 16:31:53,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2018-10-24 16:31:53,082 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:53,083 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-24 16:31:53,083 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:53,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:53,084 INFO L82 PathProgramCache]: Analyzing trace with hash -549936164, now seen corresponding path program 1 times [2018-10-24 16:31:53,084 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:53,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:53,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:53,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:53,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:53,748 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-24 16:31:53,990 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-24 16:31:54,186 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-24 16:31:55,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2020 backedges. 1463 proven. 201 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2018-10-24 16:31:55,327 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:31:55,328 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:31:55,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:55,523 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:31:55,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2020 backedges. 863 proven. 0 refuted. 0 times theorem prover too weak. 1157 trivial. 0 not checked. [2018-10-24 16:31:56,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:31:56,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2018-10-24 16:31:56,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 16:31:56,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 16:31:56,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-10-24 16:31:56,017 INFO L87 Difference]: Start difference. First operand 5057 states and 5617 transitions. Second operand 10 states. [2018-10-24 16:31:59,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:59,812 INFO L93 Difference]: Finished difference Result 10657 states and 11921 transitions. [2018-10-24 16:31:59,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-24 16:31:59,812 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 817 [2018-10-24 16:31:59,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:59,833 INFO L225 Difference]: With dead ends: 10657 [2018-10-24 16:31:59,833 INFO L226 Difference]: Without dead ends: 5781 [2018-10-24 16:31:59,839 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 830 GetRequests, 819 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2018-10-24 16:31:59,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5781 states. [2018-10-24 16:31:59,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5781 to 5594. [2018-10-24 16:31:59,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5594 states. [2018-10-24 16:31:59,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5594 states to 5594 states and 6040 transitions. [2018-10-24 16:31:59,919 INFO L78 Accepts]: Start accepts. Automaton has 5594 states and 6040 transitions. Word has length 817 [2018-10-24 16:31:59,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:59,920 INFO L481 AbstractCegarLoop]: Abstraction has 5594 states and 6040 transitions. [2018-10-24 16:31:59,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 16:31:59,921 INFO L276 IsEmpty]: Start isEmpty. Operand 5594 states and 6040 transitions. [2018-10-24 16:31:59,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2018-10-24 16:31:59,936 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:59,936 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:59,937 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:59,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:59,937 INFO L82 PathProgramCache]: Analyzing trace with hash -156778075, now seen corresponding path program 1 times [2018-10-24 16:31:59,937 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:59,938 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:59,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:59,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:59,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:32:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:32:00,606 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-24 16:32:01,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 1549 proven. 156 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2018-10-24 16:32:01,110 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:32:01,110 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:32:01,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:32:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:32:01,302 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:32:01,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 1733 trivial. 0 not checked. [2018-10-24 16:32:01,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:32:01,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2018-10-24 16:32:01,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 16:32:01,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 16:32:01,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 16:32:01,889 INFO L87 Difference]: Start difference. First operand 5594 states and 6040 transitions. Second operand 6 states. [2018-10-24 16:32:04,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:32:04,605 INFO L93 Difference]: Finished difference Result 13163 states and 14274 transitions. [2018-10-24 16:32:04,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 16:32:04,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 860 [2018-10-24 16:32:04,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:32:04,609 INFO L225 Difference]: With dead ends: 13163 [2018-10-24 16:32:04,609 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 16:32:04,618 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 865 GetRequests, 861 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 16:32:04,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 16:32:04,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 16:32:04,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 16:32:04,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 16:32:04,619 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 860 [2018-10-24 16:32:04,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:32:04,619 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 16:32:04,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 16:32:04,620 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 16:32:04,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 16:32:04,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 16:32:07,328 WARN L179 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2018-10-24 16:32:07,592 WARN L179 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2018-10-24 16:32:07,596 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-10-24 16:32:07,596 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-10-24 16:32:07,596 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,596 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,596 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,596 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-10-24 16:32:07,597 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-24 16:32:07,597 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-24 16:32:07,597 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-24 16:32:07,597 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-10-24 16:32:07,597 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-10-24 16:32:07,597 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-10-24 16:32:07,597 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-10-24 16:32:07,597 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,597 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,598 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,598 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-10-24 16:32:07,598 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-10-24 16:32:07,598 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-24 16:32:07,598 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-24 16:32:07,598 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-24 16:32:07,598 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-10-24 16:32:07,598 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-10-24 16:32:07,598 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-10-24 16:32:07,598 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,598 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,599 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,599 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-10-24 16:32:07,599 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-24 16:32:07,599 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-24 16:32:07,599 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-24 16:32:07,599 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-10-24 16:32:07,599 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-10-24 16:32:07,600 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-10-24 16:32:07,600 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-10-24 16:32:07,600 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-10-24 16:32:07,600 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,600 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,600 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,600 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-10-24 16:32:07,601 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-24 16:32:07,601 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-24 16:32:07,601 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-24 16:32:07,601 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-10-24 16:32:07,601 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-10-24 16:32:07,602 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-10-24 16:32:07,602 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,602 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,602 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,602 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-10-24 16:32:07,602 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-24 16:32:07,602 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-24 16:32:07,603 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-24 16:32:07,603 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-10-24 16:32:07,603 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-10-24 16:32:07,603 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-10-24 16:32:07,603 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-10-24 16:32:07,603 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-10-24 16:32:07,603 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,604 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,604 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,604 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-10-24 16:32:07,604 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-24 16:32:07,604 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-24 16:32:07,604 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-24 16:32:07,604 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-10-24 16:32:07,605 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-10-24 16:32:07,605 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-10-24 16:32:07,605 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-10-24 16:32:07,605 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,605 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,605 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,605 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-24 16:32:07,605 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-24 16:32:07,605 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-24 16:32:07,605 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-10-24 16:32:07,605 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-10-24 16:32:07,606 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-10-24 16:32:07,606 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-10-24 16:32:07,606 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-10-24 16:32:07,606 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,606 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,606 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,606 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-10-24 16:32:07,606 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-10-24 16:32:07,606 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 16:32:07,606 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-24 16:32:07,607 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-24 16:32:07,607 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-24 16:32:07,607 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-10-24 16:32:07,607 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-10-24 16:32:07,607 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-10-24 16:32:07,607 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,607 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,607 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,607 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-24 16:32:07,607 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-24 16:32:07,607 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-24 16:32:07,608 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-10-24 16:32:07,608 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-10-24 16:32:07,608 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-10-24 16:32:07,608 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-10-24 16:32:07,608 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-10-24 16:32:07,608 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,608 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,608 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,608 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-10-24 16:32:07,609 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-10-24 16:32:07,609 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-24 16:32:07,609 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-24 16:32:07,609 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-24 16:32:07,609 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-10-24 16:32:07,609 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 16:32:07,609 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-10-24 16:32:07,610 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-10-24 16:32:07,610 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,610 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,610 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,610 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-10-24 16:32:07,610 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-24 16:32:07,610 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-24 16:32:07,610 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-24 16:32:07,611 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-10-24 16:32:07,611 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-10-24 16:32:07,611 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-10-24 16:32:07,611 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-10-24 16:32:07,611 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,611 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,611 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,612 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-10-24 16:32:07,612 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-24 16:32:07,612 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-24 16:32:07,612 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-24 16:32:07,612 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-10-24 16:32:07,612 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-10-24 16:32:07,612 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-10-24 16:32:07,613 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-10-24 16:32:07,613 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,613 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,613 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-10-24 16:32:07,613 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-24 16:32:07,613 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-24 16:32:07,613 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-10-24 16:32:07,614 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-10-24 16:32:07,614 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-10-24 16:32:07,614 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-10-24 16:32:07,614 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-10-24 16:32:07,614 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,614 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,614 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-10-24 16:32:07,614 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-24 16:32:07,615 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-24 16:32:07,615 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-10-24 16:32:07,615 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-10-24 16:32:07,615 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-10-24 16:32:07,615 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,615 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,616 INFO L421 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse0 (<= ~a12~0 76)) (.cse2 (<= ~a15~0 6)) (.cse1 (= ~a24~0 1))) (or (and .cse0 (or (<= (+ ~a12~0 43) 0) (< 11 ~a12~0)) .cse1 (<= 9 ~a15~0)) (and (not (= ~a21~0 6)) .cse1) (and .cse2 (= ~a21~0 7)) (and (<= ~a15~0 5) (<= (+ ~a12~0 49) 0)) (and .cse0 .cse2 .cse1) (and .cse1 (<= ~a12~0 11) (<= ~a15~0 8)) (and .cse1 (< 80 ~a12~0)) (and .cse1 (= ~a15~0 5)))) [2018-10-24 16:32:07,616 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-10-24 16:32:07,616 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-10-24 16:32:07,616 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-24 16:32:07,616 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-24 16:32:07,617 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-10-24 16:32:07,617 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-10-24 16:32:07,617 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-10-24 16:32:07,617 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-10-24 16:32:07,617 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,617 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,617 INFO L428 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2018-10-24 16:32:07,618 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-10-24 16:32:07,618 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-10-24 16:32:07,618 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-24 16:32:07,618 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-24 16:32:07,618 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-10-24 16:32:07,618 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-10-24 16:32:07,618 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-10-24 16:32:07,619 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,619 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,619 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-10-24 16:32:07,619 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-10-24 16:32:07,619 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-24 16:32:07,619 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-24 16:32:07,619 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 16:32:07,620 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-10-24 16:32:07,620 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-10-24 16:32:07,620 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,620 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,620 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-24 16:32:07,620 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,620 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-10-24 16:32:07,621 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-10-24 16:32:07,621 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse0 (<= ~a12~0 76)) (.cse2 (<= ~a15~0 6)) (.cse1 (= ~a24~0 1))) (or (and .cse0 (or (<= (+ ~a12~0 43) 0) (< 11 ~a12~0)) .cse1 (<= 9 ~a15~0)) (and (not (= ~a21~0 6)) .cse1) (and .cse2 (= ~a21~0 7)) (and (<= ~a15~0 5) (<= (+ ~a12~0 49) 0)) (and .cse0 .cse2 .cse1) (and .cse1 (<= ~a12~0 11) (<= ~a15~0 8)) (and .cse1 (< 80 ~a12~0)) (and .cse1 (= ~a15~0 5)))) [2018-10-24 16:32:07,621 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-10-24 16:32:07,621 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-10-24 16:32:07,621 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-24 16:32:07,621 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-24 16:32:07,622 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-24 16:32:07,622 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-10-24 16:32:07,622 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-10-24 16:32:07,622 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-10-24 16:32:07,622 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-10-24 16:32:07,622 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,622 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,622 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,623 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-10-24 16:32:07,623 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-24 16:32:07,623 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-24 16:32:07,623 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-24 16:32:07,623 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-10-24 16:32:07,623 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed. [2018-10-24 16:32:07,623 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-10-24 16:32:07,624 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-10-24 16:32:07,624 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-10-24 16:32:07,624 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-10-24 16:32:07,624 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,624 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,624 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,624 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-10-24 16:32:07,624 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-10-24 16:32:07,625 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-24 16:32:07,625 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-24 16:32:07,625 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 16:32:07,625 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-24 16:32:07,625 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-10-24 16:32:07,625 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-10-24 16:32:07,625 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-10-24 16:32:07,625 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,626 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,626 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,626 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-10-24 16:32:07,626 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-24 16:32:07,626 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-24 16:32:07,626 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-24 16:32:07,626 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-10-24 16:32:07,626 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-10-24 16:32:07,627 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-10-24 16:32:07,627 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-10-24 16:32:07,627 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-10-24 16:32:07,627 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,627 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,627 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:07,627 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-10-24 16:32:07,627 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-24 16:32:07,627 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-24 16:32:07,628 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-24 16:32:07,628 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-10-24 16:32:07,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:32:07 BoogieIcfgContainer [2018-10-24 16:32:07,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 16:32:07,659 INFO L168 Benchmark]: Toolchain (without parser) took 61051.58 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -261.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-24 16:32:07,660 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 16:32:07,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-24 16:32:07,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 228.69 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2018-10-24 16:32:07,662 INFO L168 Benchmark]: Boogie Preprocessor took 124.01 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2018-10-24 16:32:07,663 INFO L168 Benchmark]: RCFGBuilder took 3950.90 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: 119.3 MB). Peak memory consumption was 119.3 MB. Max. memory is 7.1 GB. [2018-10-24 16:32:07,664 INFO L168 Benchmark]: TraceAbstraction took 55952.89 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 965.2 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 390.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-24 16:32:07,672 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 788.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 228.69 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.01 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3950.90 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: 119.3 MB). Peak memory consumption was 119.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 55952.89 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 965.2 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 390.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 181]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((((a12 <= 76 && (a12 + 43 <= 0 || 11 < a12)) && a24 == 1) && 9 <= a15) || (!(a21 == 6) && a24 == 1)) || (a15 <= 6 && a21 == 7)) || (a15 <= 5 && a12 + 49 <= 0)) || ((a12 <= 76 && a15 <= 6) && a24 == 1)) || ((a24 == 1 && a12 <= 11) && a15 <= 8)) || (a24 == 1 && 80 < a12)) || (a24 == 1 && a15 == 5) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((((a12 <= 76 && (a12 + 43 <= 0 || 11 < a12)) && a24 == 1) && 9 <= a15) || (!(a21 == 6) && a24 == 1)) || (a15 <= 6 && a21 == 7)) || (a15 <= 5 && a12 + 49 <= 0)) || ((a12 <= 76 && a15 <= 6) && a24 == 1)) || ((a24 == 1 && a12 <= 11) && a15 <= 8)) || (a24 == 1 && 80 < a12)) || (a24 == 1 && a15 == 5) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. SAFE Result, 55.8s OverallTime, 8 OverallIterations, 7 TraceHistogramMax, 41.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1112 SDtfs, 6296 SDslu, 999 SDs, 0 SdLazy, 14502 SolverSat, 1986 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2596 GetRequests, 2551 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5594occurred 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, 8 MinimizatonAttempts, 1292 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 130 NumberOfFragments, 157 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3292 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 516 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 6088 NumberOfCodeBlocks, 6088 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 6076 ConstructedInterpolants, 0 QuantifiedInterpolants, 12512014 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3125 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 12029/12437 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...