java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label30_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 16:01:59,890 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 16:01:59,893 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 16:01:59,910 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 16:01:59,910 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 16:01:59,911 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 16:01:59,913 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 16:01:59,916 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 16:01:59,919 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 16:01:59,927 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 16:01:59,928 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 16:01:59,928 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 16:01:59,929 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 16:01:59,934 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 16:01:59,935 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 16:01:59,935 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 16:01:59,939 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 16:01:59,940 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 16:01:59,945 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 16:01:59,949 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 16:01:59,950 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 16:01:59,951 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 16:01:59,957 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 16:01:59,957 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 16:01:59,957 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 16:01:59,958 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 16:01:59,959 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 16:01:59,960 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 16:01:59,960 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 16:01:59,961 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 16:01:59,962 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 16:01:59,963 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 16:01:59,968 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 16:01:59,992 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 16:01:59,993 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 16:01:59,994 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 16:01:59,994 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 16:01:59,994 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 16:01:59,995 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 16:01:59,998 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 16:01:59,998 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 16:01:59,998 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 16:01:59,999 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 16:01:59,999 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 16:01:59,999 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 16:01:59,999 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 16:01:59,999 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 16:01:59,999 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 16:02:00,000 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 16:02:00,001 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 16:02:00,001 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 16:02:00,001 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 16:02:00,002 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:02:00,002 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 16:02:00,002 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 16:02:00,002 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 16:02:00,002 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 16:02:00,003 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 16:02:00,003 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 16:02:00,003 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 16:02:00,004 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 16:02:00,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 16:02:00,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 16:02:00,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 16:02:00,068 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 16:02:00,069 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 16:02:00,069 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label30_true-unreach-call.c [2018-10-24 16:02:00,130 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e5faff314/ab0793ea73674416b2c46bdd396b4842/FLAG4a4b97b74 [2018-10-24 16:02:00,736 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 16:02:00,737 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label30_true-unreach-call.c [2018-10-24 16:02:00,753 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e5faff314/ab0793ea73674416b2c46bdd396b4842/FLAG4a4b97b74 [2018-10-24 16:02:00,772 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e5faff314/ab0793ea73674416b2c46bdd396b4842 [2018-10-24 16:02:00,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 16:02:00,784 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 16:02:00,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 16:02:00,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 16:02:00,788 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 16:02:00,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:02:00" (1/1) ... [2018-10-24 16:02:00,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27751410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:00, skipping insertion in model container [2018-10-24 16:02:00,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:02:00" (1/1) ... [2018-10-24 16:02:00,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 16:02:00,854 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 16:02:01,318 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:02:01,323 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 16:02:01,426 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:02:01,444 INFO L193 MainTranslator]: Completed translation [2018-10-24 16:02:01,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:01 WrapperNode [2018-10-24 16:02:01,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 16:02:01,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 16:02:01,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 16:02:01,447 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 16:02:01,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:01" (1/1) ... [2018-10-24 16:02:01,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:01" (1/1) ... [2018-10-24 16:02:01,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 16:02:01,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 16:02:01,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 16:02:01,661 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 16:02:01,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:01" (1/1) ... [2018-10-24 16:02:01,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:01" (1/1) ... [2018-10-24 16:02:01,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:01" (1/1) ... [2018-10-24 16:02:01,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:01" (1/1) ... [2018-10-24 16:02:01,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:01" (1/1) ... [2018-10-24 16:02:01,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:01" (1/1) ... [2018-10-24 16:02:01,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:01" (1/1) ... [2018-10-24 16:02:01,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 16:02:01,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 16:02:01,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 16:02:01,764 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 16:02:01,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:02:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 16:02:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 16:02:01,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 16:02:05,102 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 16:02:05,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:02:05 BoogieIcfgContainer [2018-10-24 16:02:05,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 16:02:05,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 16:02:05,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 16:02:05,112 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 16:02:05,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:02:00" (1/3) ... [2018-10-24 16:02:05,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db1e4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:02:05, skipping insertion in model container [2018-10-24 16:02:05,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:01" (2/3) ... [2018-10-24 16:02:05,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db1e4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:02:05, skipping insertion in model container [2018-10-24 16:02:05,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:02:05" (3/3) ... [2018-10-24 16:02:05,120 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label30_true-unreach-call.c [2018-10-24 16:02:05,131 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 16:02:05,149 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 16:02:05,169 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 16:02:05,222 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 16:02:05,223 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 16:02:05,223 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 16:02:05,223 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 16:02:05,223 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 16:02:05,224 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 16:02:05,224 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 16:02:05,224 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 16:02:05,224 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 16:02:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-10-24 16:02:05,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-24 16:02:05,262 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:05,263 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] [2018-10-24 16:02:05,266 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:05,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:05,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1433927590, now seen corresponding path program 1 times [2018-10-24 16:02:05,275 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:05,276 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:05,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:05,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:05,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:02:05,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:05,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:02:05,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:05,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:05,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:05,748 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2018-10-24 16:02:08,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:08,278 INFO L93 Difference]: Finished difference Result 713 states and 1265 transitions. [2018-10-24 16:02:08,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:08,281 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2018-10-24 16:02:08,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:08,305 INFO L225 Difference]: With dead ends: 713 [2018-10-24 16:02:08,305 INFO L226 Difference]: Without dead ends: 499 [2018-10-24 16:02:08,310 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 16:02:08,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2018-10-24 16:02:08,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2018-10-24 16:02:08,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2018-10-24 16:02:08,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 826 transitions. [2018-10-24 16:02:08,394 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 826 transitions. Word has length 35 [2018-10-24 16:02:08,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:08,395 INFO L481 AbstractCegarLoop]: Abstraction has 499 states and 826 transitions. [2018-10-24 16:02:08,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:08,396 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 826 transitions. [2018-10-24 16:02:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-24 16:02:08,401 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:08,401 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:02:08,402 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:08,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:08,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1615473848, now seen corresponding path program 1 times [2018-10-24 16:02:08,402 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:08,403 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:08,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:08,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:08,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:08,708 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:02:08,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:08,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:02:08,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:08,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:08,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:08,713 INFO L87 Difference]: Start difference. First operand 499 states and 826 transitions. Second operand 4 states. [2018-10-24 16:02:10,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:10,343 INFO L93 Difference]: Finished difference Result 1836 states and 3146 transitions. [2018-10-24 16:02:10,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:10,344 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2018-10-24 16:02:10,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:10,354 INFO L225 Difference]: With dead ends: 1836 [2018-10-24 16:02:10,354 INFO L226 Difference]: Without dead ends: 1339 [2018-10-24 16:02:10,359 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:10,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2018-10-24 16:02:10,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1339. [2018-10-24 16:02:10,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1339 states. [2018-10-24 16:02:10,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 2042 transitions. [2018-10-24 16:02:10,430 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 2042 transitions. Word has length 106 [2018-10-24 16:02:10,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:10,431 INFO L481 AbstractCegarLoop]: Abstraction has 1339 states and 2042 transitions. [2018-10-24 16:02:10,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:10,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 2042 transitions. [2018-10-24 16:02:10,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-24 16:02:10,440 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:10,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:02:10,440 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:10,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:10,441 INFO L82 PathProgramCache]: Analyzing trace with hash 206744063, now seen corresponding path program 1 times [2018-10-24 16:02:10,441 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:10,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:10,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:10,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:10,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:10,642 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:02:10,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:10,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:02:10,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:10,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:10,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:10,644 INFO L87 Difference]: Start difference. First operand 1339 states and 2042 transitions. Second operand 4 states. [2018-10-24 16:02:14,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:14,700 INFO L93 Difference]: Finished difference Result 4771 states and 7257 transitions. [2018-10-24 16:02:14,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:14,701 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2018-10-24 16:02:14,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:14,712 INFO L225 Difference]: With dead ends: 4771 [2018-10-24 16:02:14,712 INFO L226 Difference]: Without dead ends: 2149 [2018-10-24 16:02:14,716 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:14,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2018-10-24 16:02:14,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 2149. [2018-10-24 16:02:14,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2149 states. [2018-10-24 16:02:14,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 2922 transitions. [2018-10-24 16:02:14,758 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 2922 transitions. Word has length 111 [2018-10-24 16:02:14,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:14,759 INFO L481 AbstractCegarLoop]: Abstraction has 2149 states and 2922 transitions. [2018-10-24 16:02:14,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:14,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2922 transitions. [2018-10-24 16:02:14,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-24 16:02:14,762 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:14,762 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:02:14,762 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:14,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:14,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1903774160, now seen corresponding path program 1 times [2018-10-24 16:02:14,763 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:14,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:14,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:14,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:14,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:14,927 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:02:14,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:14,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:02:14,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:14,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:14,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:14,929 INFO L87 Difference]: Start difference. First operand 2149 states and 2922 transitions. Second operand 4 states. [2018-10-24 16:02:15,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:15,938 INFO L93 Difference]: Finished difference Result 5975 states and 8120 transitions. [2018-10-24 16:02:15,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:15,939 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2018-10-24 16:02:15,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:15,957 INFO L225 Difference]: With dead ends: 5975 [2018-10-24 16:02:15,957 INFO L226 Difference]: Without dead ends: 3828 [2018-10-24 16:02:15,961 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:15,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2018-10-24 16:02:16,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3408. [2018-10-24 16:02:16,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3408 states. [2018-10-24 16:02:16,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 3408 states and 4288 transitions. [2018-10-24 16:02:16,030 INFO L78 Accepts]: Start accepts. Automaton has 3408 states and 4288 transitions. Word has length 154 [2018-10-24 16:02:16,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:16,030 INFO L481 AbstractCegarLoop]: Abstraction has 3408 states and 4288 transitions. [2018-10-24 16:02:16,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:16,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3408 states and 4288 transitions. [2018-10-24 16:02:16,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-10-24 16:02:16,039 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:16,039 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:02:16,040 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:16,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:16,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1989948814, now seen corresponding path program 1 times [2018-10-24 16:02:16,040 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:16,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:16,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:16,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:16,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:16,425 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-24 16:02:16,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:16,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:02:16,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:16,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:16,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:16,428 INFO L87 Difference]: Start difference. First operand 3408 states and 4288 transitions. Second operand 4 states. [2018-10-24 16:02:17,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:17,836 INFO L93 Difference]: Finished difference Result 8914 states and 11363 transitions. [2018-10-24 16:02:17,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:17,836 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 299 [2018-10-24 16:02:17,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:17,858 INFO L225 Difference]: With dead ends: 8914 [2018-10-24 16:02:17,858 INFO L226 Difference]: Without dead ends: 5508 [2018-10-24 16:02:17,864 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:17,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5508 states. [2018-10-24 16:02:17,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5508 to 5368. [2018-10-24 16:02:17,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5368 states. [2018-10-24 16:02:17,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5368 states to 5368 states and 6605 transitions. [2018-10-24 16:02:17,964 INFO L78 Accepts]: Start accepts. Automaton has 5368 states and 6605 transitions. Word has length 299 [2018-10-24 16:02:17,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:17,965 INFO L481 AbstractCegarLoop]: Abstraction has 5368 states and 6605 transitions. [2018-10-24 16:02:17,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:17,965 INFO L276 IsEmpty]: Start isEmpty. Operand 5368 states and 6605 transitions. [2018-10-24 16:02:17,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-10-24 16:02:17,980 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:17,980 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:02:17,981 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:17,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:17,981 INFO L82 PathProgramCache]: Analyzing trace with hash -795158250, now seen corresponding path program 1 times [2018-10-24 16:02:17,981 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:17,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:17,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:17,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:17,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:18,376 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-24 16:02:18,634 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 277 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-24 16:02:18,634 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:02:18,634 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:02:18,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:18,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:02:19,055 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-24 16:02:19,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:02:19,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-10-24 16:02:19,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 16:02:19,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 16:02:19,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:02:19,092 INFO L87 Difference]: Start difference. First operand 5368 states and 6605 transitions. Second operand 5 states. [2018-10-24 16:02:23,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:23,903 INFO L93 Difference]: Finished difference Result 9459 states and 11681 transitions. [2018-10-24 16:02:23,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:23,904 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 335 [2018-10-24 16:02:23,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:23,906 INFO L225 Difference]: With dead ends: 9459 [2018-10-24 16:02:23,906 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 16:02:23,914 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 335 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:02:23,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 16:02:23,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 16:02:23,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 16:02:23,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 16:02:23,915 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 335 [2018-10-24 16:02:23,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:23,916 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 16:02:23,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 16:02:23,917 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 16:02:23,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 16:02:23,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 16:02:24,518 WARN L179 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2018-10-24 16:02:24,734 WARN L179 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2018-10-24 16:02:24,738 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-10-24 16:02:24,738 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,738 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,738 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,738 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,738 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,739 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,739 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-10-24 16:02:24,739 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-10-24 16:02:24,739 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-24 16:02:24,739 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-24 16:02:24,739 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-24 16:02:24,739 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-24 16:02:24,740 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-24 16:02:24,740 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-24 16:02:24,740 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-10-24 16:02:24,740 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-10-24 16:02:24,740 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-10-24 16:02:24,740 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,740 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,740 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,740 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,741 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,741 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-10-24 16:02:24,741 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-10-24 16:02:24,741 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-10-24 16:02:24,741 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-10-24 16:02:24,741 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-24 16:02:24,741 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-24 16:02:24,742 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-24 16:02:24,742 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-24 16:02:24,742 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-24 16:02:24,742 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-10-24 16:02:24,742 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-10-24 16:02:24,742 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-10-24 16:02:24,742 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-10-24 16:02:24,742 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-10-24 16:02:24,743 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,743 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,743 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,743 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,743 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,743 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-10-24 16:02:24,743 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-24 16:02:24,743 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-24 16:02:24,744 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-24 16:02:24,744 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-24 16:02:24,744 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-24 16:02:24,744 INFO L421 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (<= ~a1~0 218)) (.cse1 (not (= ~a19~0 7))) (.cse3 (not (= ~a19~0 10))) (.cse4 (<= 1 ~a10~0)) (.cse5 (= ~a19~0 9)) (.cse2 (= ~a10~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (= ~a10~0 2)) (= ~a19~0 8) (= ~a10~0 1) (and .cse0 .cse1 .cse3 .cse4) (and .cse4 .cse5) (and .cse5 .cse2))) [2018-10-24 16:02:24,744 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-10-24 16:02:24,745 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-10-24 16:02:24,745 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-10-24 16:02:24,745 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-10-24 16:02:24,745 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,745 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,745 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,745 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,745 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,746 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-10-24 16:02:24,746 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-10-24 16:02:24,746 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-10-24 16:02:24,746 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-24 16:02:24,746 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-24 16:02:24,746 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-24 16:02:24,746 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-24 16:02:24,746 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-24 16:02:24,747 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-10-24 16:02:24,747 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-10-24 16:02:24,747 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2018-10-24 16:02:24,747 INFO L428 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2018-10-24 16:02:24,747 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-10-24 16:02:24,747 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-10-24 16:02:24,748 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-10-24 16:02:24,748 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,748 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,748 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,748 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,748 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,748 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-24 16:02:24,748 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-24 16:02:24,749 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-24 16:02:24,749 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-24 16:02:24,749 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-24 16:02:24,749 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-10-24 16:02:24,749 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-10-24 16:02:24,749 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-10-24 16:02:24,749 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-10-24 16:02:24,749 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,750 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,750 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,750 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,750 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,750 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-10-24 16:02:24,750 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-10-24 16:02:24,750 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-10-24 16:02:24,750 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-10-24 16:02:24,751 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-24 16:02:24,751 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-24 16:02:24,751 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-24 16:02:24,751 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-24 16:02:24,751 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-24 16:02:24,751 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-10-24 16:02:24,751 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-10-24 16:02:24,751 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 16:02:24,751 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-10-24 16:02:24,752 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-10-24 16:02:24,752 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a1~0 218)) (.cse1 (not (= ~a19~0 7))) (.cse3 (not (= ~a19~0 10))) (.cse4 (<= 1 ~a10~0)) (.cse5 (= ~a19~0 9)) (.cse2 (= ~a10~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (= ~a10~0 2)) (= ~a19~0 8) (= ~a10~0 1) (and .cse0 .cse1 .cse3 .cse4) (and .cse4 .cse5) (and .cse5 .cse2))) [2018-10-24 16:02:24,752 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-10-24 16:02:24,752 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,752 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,752 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,752 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,753 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,753 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-24 16:02:24,753 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,753 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-10-24 16:02:24,753 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-10-24 16:02:24,753 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-10-24 16:02:24,753 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-24 16:02:24,753 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-24 16:02:24,753 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-24 16:02:24,754 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-24 16:02:24,754 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-24 16:02:24,754 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-24 16:02:24,754 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-10-24 16:02:24,754 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-10-24 16:02:24,754 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-10-24 16:02:24,754 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-10-24 16:02:24,754 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,755 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,755 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,755 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,755 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,755 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,755 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-10-24 16:02:24,755 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-10-24 16:02:24,755 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-10-24 16:02:24,756 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 16:02:24,756 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-24 16:02:24,756 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-24 16:02:24,756 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-24 16:02:24,756 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-24 16:02:24,756 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-24 16:02:24,756 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-24 16:02:24,756 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-10-24 16:02:24,757 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-10-24 16:02:24,757 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-10-24 16:02:24,757 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-10-24 16:02:24,757 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-10-24 16:02:24,757 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-10-24 16:02:24,757 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,758 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,758 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,758 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,758 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,758 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,758 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-10-24 16:02:24,758 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-24 16:02:24,758 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-24 16:02:24,759 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-24 16:02:24,759 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-24 16:02:24,759 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-24 16:02:24,759 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 16:02:24,759 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-24 16:02:24,759 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-10-24 16:02:24,759 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-10-24 16:02:24,759 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-10-24 16:02:24,759 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-10-24 16:02:24,760 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-10-24 16:02:24,760 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-10-24 16:02:24,760 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,760 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,760 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,760 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,760 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,760 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,760 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-10-24 16:02:24,760 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-10-24 16:02:24,761 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-10-24 16:02:24,761 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-24 16:02:24,761 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-24 16:02:24,761 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-24 16:02:24,761 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-24 16:02:24,761 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-24 16:02:24,761 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-24 16:02:24,761 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-10-24 16:02:24,762 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-10-24 16:02:24,762 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 16:02:24,762 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-10-24 16:02:24,762 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,762 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,762 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,762 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,762 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,763 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:24,763 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-10-24 16:02:24,763 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-10-24 16:02:24,763 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-10-24 16:02:24,763 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-24 16:02:24,763 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-24 16:02:24,763 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-24 16:02:24,763 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-24 16:02:24,763 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-24 16:02:24,763 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-24 16:02:24,764 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-10-24 16:02:24,764 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-10-24 16:02:24,764 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-10-24 16:02:24,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:02:24 BoogieIcfgContainer [2018-10-24 16:02:24,783 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 16:02:24,784 INFO L168 Benchmark]: Toolchain (without parser) took 24000.94 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -687.2 MB). Peak memory consumption was 436.8 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:24,785 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 16:02:24,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.70 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:24,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 214.66 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -838.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:24,788 INFO L168 Benchmark]: Boogie Preprocessor took 102.98 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 16:02:24,788 INFO L168 Benchmark]: RCFGBuilder took 3342.11 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: 118.6 MB). Peak memory consumption was 118.6 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:24,789 INFO L168 Benchmark]: TraceAbstraction took 19675.97 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 368.1 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 750.6 kB). Peak memory consumption was 368.8 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:24,795 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 660.70 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 214.66 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -838.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.98 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3342.11 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: 118.6 MB). Peak memory consumption was 118.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19675.97 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 368.1 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 750.6 kB). Peak memory consumption was 368.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((a1 <= 218 && !(a19 == 7)) && a10 == 0) || ((a1 <= 218 && !(a19 == 10)) && a10 == 2)) || a19 == 8) || a10 == 1) || (((a1 <= 218 && !(a19 == 7)) && !(a19 == 10)) && 1 <= a10)) || (1 <= a10 && a19 == 9)) || (a19 == 9 && a10 == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((a1 <= 218 && !(a19 == 7)) && a10 == 0) || ((a1 <= 218 && !(a19 == 10)) && a10 == 2)) || a19 == 8) || a10 == 1) || (((a1 <= 218 && !(a19 == 7)) && !(a19 == 10)) && 1 <= a10)) || (1 <= a10 && a19 == 9)) || (a19 == 9 && a10 == 0) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. SAFE Result, 19.5s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 15.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 661 SDtfs, 1876 SDslu, 337 SDs, 0 SdLazy, 4587 SolverSat, 1178 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 359 GetRequests, 342 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5368occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 560 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 82 NumberOfFragments, 117 HoareAnnotationTreeSize, 3 FomulaSimplifications, 786 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 466 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1375 NumberOfCodeBlocks, 1375 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1368 ConstructedInterpolants, 0 QuantifiedInterpolants, 795475 SizeOfPredicates, 0 NumberOfNonLiveVariables, 450 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 1089/1096 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...