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_label54_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 16:02:59,060 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 16:02:59,064 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 16:02:59,081 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 16:02:59,081 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 16:02:59,082 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 16:02:59,084 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 16:02:59,086 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 16:02:59,089 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 16:02:59,097 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 16:02:59,098 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 16:02:59,098 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 16:02:59,099 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 16:02:59,104 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 16:02:59,105 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 16:02:59,105 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 16:02:59,109 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 16:02:59,110 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 16:02:59,117 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 16:02:59,120 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 16:02:59,123 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 16:02:59,124 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 16:02:59,127 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 16:02:59,140 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 16:02:59,171 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 16:02:59,171 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 16:02:59,172 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 16:02:59,173 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 16:02:59,174 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 16:02:59,175 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 16:02:59,175 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 16:02:59,175 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 16:02:59,175 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 16:02:59,176 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 16:02:59,177 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 16:02:59,177 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 16:02:59,178 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 16:02:59,178 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 16:02:59,178 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 16:02:59,178 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 16:02:59,179 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 16:02:59,179 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 16:02:59,179 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 16:02:59,179 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:02:59,179 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 16:02:59,180 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 16:02:59,181 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 16:02:59,181 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 16:02:59,182 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 16:02:59,182 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 16:02:59,182 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 16:02:59,182 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 16:02:59,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 16:02:59,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 16:02:59,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 16:02:59,285 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 16:02:59,286 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 16:02:59,287 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label54_true-unreach-call.c [2018-10-24 16:02:59,338 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8a9d5b371/9962892cffb543f68a51ee71ea03caa1/FLAG89a8957aa [2018-10-24 16:02:59,903 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 16:02:59,904 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label54_true-unreach-call.c [2018-10-24 16:02:59,928 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8a9d5b371/9962892cffb543f68a51ee71ea03caa1/FLAG89a8957aa [2018-10-24 16:02:59,949 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8a9d5b371/9962892cffb543f68a51ee71ea03caa1 [2018-10-24 16:02:59,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 16:02:59,960 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 16:02:59,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 16:02:59,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 16:02:59,965 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 16:02:59,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:02:59" (1/1) ... [2018-10-24 16:02:59,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d08a6c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:59, skipping insertion in model container [2018-10-24 16:02:59,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:02:59" (1/1) ... [2018-10-24 16:02:59,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 16:03:00,035 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 16:03:00,440 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:03:00,445 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 16:03:00,553 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:03:00,578 INFO L193 MainTranslator]: Completed translation [2018-10-24 16:03:00,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:03:00 WrapperNode [2018-10-24 16:03:00,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 16:03:00,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 16:03:00,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 16:03:00,580 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 16:03:00,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:03:00" (1/1) ... [2018-10-24 16:03:00,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:03:00" (1/1) ... [2018-10-24 16:03:00,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 16:03:00,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 16:03:00,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 16:03:00,752 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 16:03:00,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:03:00" (1/1) ... [2018-10-24 16:03:00,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:03:00" (1/1) ... [2018-10-24 16:03:00,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:03:00" (1/1) ... [2018-10-24 16:03:00,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:03:00" (1/1) ... [2018-10-24 16:03:00,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:03:00" (1/1) ... [2018-10-24 16:03:00,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:03:00" (1/1) ... [2018-10-24 16:03:00,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:03:00" (1/1) ... [2018-10-24 16:03:00,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 16:03:00,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 16:03:00,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 16:03:00,838 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 16:03:00,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:03:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:03:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 16:03:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 16:03:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 16:03:04,151 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 16:03:04,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:03:04 BoogieIcfgContainer [2018-10-24 16:03:04,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 16:03:04,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 16:03:04,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 16:03:04,157 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 16:03:04,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:02:59" (1/3) ... [2018-10-24 16:03:04,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3929a508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:03:04, skipping insertion in model container [2018-10-24 16:03:04,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:03:00" (2/3) ... [2018-10-24 16:03:04,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3929a508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:03:04, skipping insertion in model container [2018-10-24 16:03:04,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:03:04" (3/3) ... [2018-10-24 16:03:04,161 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label54_true-unreach-call.c [2018-10-24 16:03:04,173 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 16:03:04,184 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 16:03:04,204 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 16:03:04,254 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 16:03:04,255 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 16:03:04,255 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 16:03:04,255 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 16:03:04,255 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 16:03:04,256 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 16:03:04,256 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 16:03:04,256 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 16:03:04,256 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 16:03:04,281 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-10-24 16:03:04,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-24 16:03:04,291 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:03:04,293 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:03:04,295 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:03:04,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:03:04,301 INFO L82 PathProgramCache]: Analyzing trace with hash 265969354, now seen corresponding path program 1 times [2018-10-24 16:03:04,302 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:03:04,303 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:03:04,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:03:04,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:03:04,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:03:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:03:04,840 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-24 16:03:04,861 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 16:03:04,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:03:04,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:03:04,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:03:04,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:03:04,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:03:04,896 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2018-10-24 16:03:07,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:03:07,143 INFO L93 Difference]: Finished difference Result 698 states and 1250 transitions. [2018-10-24 16:03:07,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:03:07,145 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-10-24 16:03:07,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:03:07,168 INFO L225 Difference]: With dead ends: 698 [2018-10-24 16:03:07,168 INFO L226 Difference]: Without dead ends: 484 [2018-10-24 16:03:07,174 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 16:03:07,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2018-10-24 16:03:07,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2018-10-24 16:03:07,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2018-10-24 16:03:07,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 811 transitions. [2018-10-24 16:03:07,253 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 811 transitions. Word has length 63 [2018-10-24 16:03:07,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:03:07,254 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 811 transitions. [2018-10-24 16:03:07,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:03:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 811 transitions. [2018-10-24 16:03:07,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-24 16:03:07,261 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:03:07,261 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:03:07,262 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:03:07,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:03:07,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1691477600, now seen corresponding path program 1 times [2018-10-24 16:03:07,262 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:03:07,263 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:03:07,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:03:07,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:03:07,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:03:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:03:07,709 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:03:07,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:03:07,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:03:07,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:03:07,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:03:07,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:03:07,713 INFO L87 Difference]: Start difference. First operand 484 states and 811 transitions. Second operand 4 states. [2018-10-24 16:03:09,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:03:09,159 INFO L93 Difference]: Finished difference Result 1106 states and 1836 transitions. [2018-10-24 16:03:09,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:03:09,160 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2018-10-24 16:03:09,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:03:09,166 INFO L225 Difference]: With dead ends: 1106 [2018-10-24 16:03:09,166 INFO L226 Difference]: Without dead ends: 624 [2018-10-24 16:03:09,169 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:03:09,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2018-10-24 16:03:09,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 624. [2018-10-24 16:03:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2018-10-24 16:03:09,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 952 transitions. [2018-10-24 16:03:09,204 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 952 transitions. Word has length 133 [2018-10-24 16:03:09,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:03:09,205 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 952 transitions. [2018-10-24 16:03:09,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:03:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 952 transitions. [2018-10-24 16:03:09,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-24 16:03:09,211 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:03:09,212 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:03:09,212 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:03:09,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:03:09,213 INFO L82 PathProgramCache]: Analyzing trace with hash 2029204783, now seen corresponding path program 1 times [2018-10-24 16:03:09,213 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:03:09,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:03:09,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:03:09,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:03:09,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:03:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:03:09,486 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 4 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:03:09,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:03:09,487 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 16:03:09,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:03:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:03:09,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:03:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:03:09,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:03:09,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2018-10-24 16:03:09,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 16:03:09,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 16:03:09,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-24 16:03:09,819 INFO L87 Difference]: Start difference. First operand 624 states and 952 transitions. Second operand 7 states. [2018-10-24 16:03:15,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:03:15,696 INFO L93 Difference]: Finished difference Result 2926 states and 4639 transitions. [2018-10-24 16:03:15,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 16:03:15,697 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 139 [2018-10-24 16:03:15,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:03:15,710 INFO L225 Difference]: With dead ends: 2926 [2018-10-24 16:03:15,710 INFO L226 Difference]: Without dead ends: 2020 [2018-10-24 16:03:15,713 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2018-10-24 16:03:15,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2020 states. [2018-10-24 16:03:15,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2020 to 2020. [2018-10-24 16:03:15,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2020 states. [2018-10-24 16:03:15,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 2020 states and 2705 transitions. [2018-10-24 16:03:15,763 INFO L78 Accepts]: Start accepts. Automaton has 2020 states and 2705 transitions. Word has length 139 [2018-10-24 16:03:15,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:03:15,764 INFO L481 AbstractCegarLoop]: Abstraction has 2020 states and 2705 transitions. [2018-10-24 16:03:15,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 16:03:15,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2020 states and 2705 transitions. [2018-10-24 16:03:15,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-24 16:03:15,776 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:03:15,776 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:03:15,777 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:03:15,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:03:15,777 INFO L82 PathProgramCache]: Analyzing trace with hash 257633602, now seen corresponding path program 1 times [2018-10-24 16:03:15,777 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:03:15,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:03:15,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:03:15,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:03:15,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:03:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:03:16,254 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-24 16:03:16,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:03:16,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:03:16,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:03:16,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:03:16,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:03:16,258 INFO L87 Difference]: Start difference. First operand 2020 states and 2705 transitions. Second operand 4 states. [2018-10-24 16:03:18,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:03:18,061 INFO L93 Difference]: Finished difference Result 4738 states and 6241 transitions. [2018-10-24 16:03:18,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:03:18,062 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 268 [2018-10-24 16:03:18,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:03:18,075 INFO L225 Difference]: With dead ends: 4738 [2018-10-24 16:03:18,075 INFO L226 Difference]: Without dead ends: 2720 [2018-10-24 16:03:18,078 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:03:18,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2720 states. [2018-10-24 16:03:18,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2720 to 2580. [2018-10-24 16:03:18,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2580 states. [2018-10-24 16:03:18,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2580 states and 3227 transitions. [2018-10-24 16:03:18,124 INFO L78 Accepts]: Start accepts. Automaton has 2580 states and 3227 transitions. Word has length 268 [2018-10-24 16:03:18,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:03:18,125 INFO L481 AbstractCegarLoop]: Abstraction has 2580 states and 3227 transitions. [2018-10-24 16:03:18,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:03:18,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 3227 transitions. [2018-10-24 16:03:18,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-10-24 16:03:18,136 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:03:18,137 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:03:18,137 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:03:18,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:03:18,137 INFO L82 PathProgramCache]: Analyzing trace with hash -186926466, now seen corresponding path program 1 times [2018-10-24 16:03:18,138 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:03:18,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:03:18,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:03:18,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:03:18,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:03:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:03:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:03:18,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:03:18,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:03:18,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:03:18,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:03:18,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:03:18,619 INFO L87 Difference]: Start difference. First operand 2580 states and 3227 transitions. Second operand 4 states. [2018-10-24 16:03:23,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:03:23,096 INFO L93 Difference]: Finished difference Result 6698 states and 8634 transitions. [2018-10-24 16:03:23,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:03:23,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 269 [2018-10-24 16:03:23,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:03:23,118 INFO L225 Difference]: With dead ends: 6698 [2018-10-24 16:03:23,119 INFO L226 Difference]: Without dead ends: 4120 [2018-10-24 16:03:23,124 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:03:23,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4120 states. [2018-10-24 16:03:23,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4120 to 3980. [2018-10-24 16:03:23,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3980 states. [2018-10-24 16:03:23,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3980 states to 3980 states and 4931 transitions. [2018-10-24 16:03:23,204 INFO L78 Accepts]: Start accepts. Automaton has 3980 states and 4931 transitions. Word has length 269 [2018-10-24 16:03:23,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:03:23,205 INFO L481 AbstractCegarLoop]: Abstraction has 3980 states and 4931 transitions. [2018-10-24 16:03:23,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:03:23,205 INFO L276 IsEmpty]: Start isEmpty. Operand 3980 states and 4931 transitions. [2018-10-24 16:03:23,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-10-24 16:03:23,216 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:03:23,217 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:03:23,217 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:03:23,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:03:23,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1738452983, now seen corresponding path program 1 times [2018-10-24 16:03:23,218 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:03:23,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:03:23,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:03:23,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:03:23,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:03:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:03:23,655 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-24 16:03:23,880 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 17 [2018-10-24 16:03:24,193 WARN L179 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 18 [2018-10-24 16:03:24,397 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 61 proven. 128 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-24 16:03:24,397 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:03:24,397 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 16:03:24,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:03:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:03:24,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:03:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-24 16:03:24,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:03:24,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2018-10-24 16:03:24,655 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 16:03:24,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 16:03:24,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-10-24 16:03:24,656 INFO L87 Difference]: Start difference. First operand 3980 states and 4931 transitions. Second operand 10 states. [2018-10-24 16:03:27,267 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-24 16:03:30,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:03:30,715 INFO L93 Difference]: Finished difference Result 7902 states and 9704 transitions. [2018-10-24 16:03:30,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 16:03:30,716 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 313 [2018-10-24 16:03:30,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:03:30,717 INFO L225 Difference]: With dead ends: 7902 [2018-10-24 16:03:30,717 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 16:03:30,725 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 316 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2018-10-24 16:03:30,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 16:03:30,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 16:03:30,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 16:03:30,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 16:03:30,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 313 [2018-10-24 16:03:30,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:03:30,726 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 16:03:30,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 16:03:30,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 16:03:30,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 16:03:30,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 16:03:30,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:03:30,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:03:30,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:03:31,301 WARN L179 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2018-10-24 16:03:31,542 WARN L179 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2018-10-24 16:03:31,545 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-10-24 16:03:31,545 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,545 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,545 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,546 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,546 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,546 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,546 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-10-24 16:03:31,546 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-10-24 16:03:31,546 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-24 16:03:31,546 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-24 16:03:31,546 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-24 16:03:31,547 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-24 16:03:31,547 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-24 16:03:31,547 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-24 16:03:31,547 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-10-24 16:03:31,547 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-10-24 16:03:31,547 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-10-24 16:03:31,547 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,547 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,548 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,548 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,548 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,548 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-10-24 16:03:31,548 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-10-24 16:03:31,548 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-10-24 16:03:31,548 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-10-24 16:03:31,548 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-24 16:03:31,548 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-24 16:03:31,549 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-24 16:03:31,549 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-24 16:03:31,549 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-24 16:03:31,549 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-10-24 16:03:31,549 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-10-24 16:03:31,549 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-10-24 16:03:31,549 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-10-24 16:03:31,549 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-10-24 16:03:31,550 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,550 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,550 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,550 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,550 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,550 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-10-24 16:03:31,550 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-24 16:03:31,550 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-24 16:03:31,550 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-24 16:03:31,551 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-24 16:03:31,551 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-24 16:03:31,551 INFO L421 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 8))) (.cse3 (not (= ~a19~0 10))) (.cse1 (= ~a12~0 0)) (.cse2 (= ~a4~0 14))) (or (and .cse0 .cse1 .cse2 (<= ~a10~0 1)) (and (= ~a10~0 0) .cse1 .cse2) (and (<= ~a1~0 218) .cse3 .cse0 .cse1 .cse2) (and .cse3 (= ~a10~0 4) .cse1 .cse2) (and (= ~a10~0 1) .cse1 .cse2) (and (= ~a19~0 9) .cse1 .cse2) (and .cse3 (= ~a10~0 2) .cse1 .cse2))) [2018-10-24 16:03:31,552 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-10-24 16:03:31,552 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-10-24 16:03:31,552 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-10-24 16:03:31,552 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-10-24 16:03:31,552 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,552 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,552 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,552 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,552 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,553 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-10-24 16:03:31,553 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-10-24 16:03:31,553 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-10-24 16:03:31,553 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-24 16:03:31,553 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-24 16:03:31,553 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-24 16:03:31,553 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-24 16:03:31,553 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-24 16:03:31,554 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-10-24 16:03:31,554 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-10-24 16:03:31,554 INFO L428 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2018-10-24 16:03:31,554 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 190) no Hoare annotation was computed. [2018-10-24 16:03:31,554 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-10-24 16:03:31,554 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-10-24 16:03:31,554 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-10-24 16:03:31,555 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,555 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,555 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,555 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,555 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,555 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-24 16:03:31,555 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-24 16:03:31,555 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-24 16:03:31,556 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-24 16:03:31,556 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-24 16:03:31,556 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-10-24 16:03:31,556 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-10-24 16:03:31,556 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-10-24 16:03:31,556 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-10-24 16:03:31,556 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,556 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,557 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,557 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,557 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,557 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-10-24 16:03:31,557 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-10-24 16:03:31,557 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-10-24 16:03:31,557 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-10-24 16:03:31,557 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-24 16:03:31,558 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-24 16:03:31,558 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-24 16:03:31,558 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-24 16:03:31,558 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-24 16:03:31,558 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-10-24 16:03:31,558 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-10-24 16:03:31,558 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 16:03:31,558 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-10-24 16:03:31,558 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-10-24 16:03:31,559 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 8))) (.cse3 (not (= ~a19~0 10))) (.cse1 (= ~a12~0 0)) (.cse2 (= ~a4~0 14))) (or (and .cse0 .cse1 .cse2 (<= ~a10~0 1)) (and (= ~a10~0 0) .cse1 .cse2) (and (<= ~a1~0 218) .cse3 .cse0 .cse1 .cse2) (and .cse3 (= ~a10~0 4) .cse1 .cse2) (and (= ~a10~0 1) .cse1 .cse2) (and (= ~a19~0 9) .cse1 .cse2) (and .cse3 (= ~a10~0 2) .cse1 .cse2))) [2018-10-24 16:03:31,559 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-10-24 16:03:31,559 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,559 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,559 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,559 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,559 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,559 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-24 16:03:31,559 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,559 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-10-24 16:03:31,559 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-10-24 16:03:31,560 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-10-24 16:03:31,560 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-24 16:03:31,560 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-24 16:03:31,560 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-24 16:03:31,560 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-24 16:03:31,560 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-24 16:03:31,560 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-24 16:03:31,560 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-10-24 16:03:31,560 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-10-24 16:03:31,560 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-10-24 16:03:31,561 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-10-24 16:03:31,561 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,561 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,561 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,561 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,561 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,561 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,562 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-10-24 16:03:31,562 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-10-24 16:03:31,562 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-10-24 16:03:31,562 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 16:03:31,562 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-24 16:03:31,562 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-24 16:03:31,562 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-24 16:03:31,562 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-24 16:03:31,562 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-24 16:03:31,563 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-24 16:03:31,563 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-10-24 16:03:31,563 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-10-24 16:03:31,563 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-10-24 16:03:31,563 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-10-24 16:03:31,563 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-10-24 16:03:31,563 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-10-24 16:03:31,563 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,564 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,564 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,564 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,564 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,564 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,564 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-10-24 16:03:31,564 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-24 16:03:31,564 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-24 16:03:31,564 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-24 16:03:31,564 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-24 16:03:31,564 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-24 16:03:31,564 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 16:03:31,565 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-24 16:03:31,565 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-10-24 16:03:31,565 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-10-24 16:03:31,565 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-10-24 16:03:31,565 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-10-24 16:03:31,565 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-10-24 16:03:31,565 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-10-24 16:03:31,565 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,565 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,566 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,566 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,566 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,566 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,566 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-10-24 16:03:31,566 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-10-24 16:03:31,566 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-10-24 16:03:31,566 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-24 16:03:31,566 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-24 16:03:31,566 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-24 16:03:31,566 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-24 16:03:31,566 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-24 16:03:31,566 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-24 16:03:31,567 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-10-24 16:03:31,567 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-10-24 16:03:31,567 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 16:03:31,567 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-10-24 16:03:31,567 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,567 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,567 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,567 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,567 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,567 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:03:31,567 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-10-24 16:03:31,567 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-10-24 16:03:31,567 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-10-24 16:03:31,567 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-24 16:03:31,568 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-24 16:03:31,568 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-24 16:03:31,568 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-24 16:03:31,568 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-24 16:03:31,568 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-24 16:03:31,568 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-10-24 16:03:31,568 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-10-24 16:03:31,568 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-10-24 16:03:31,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:03:31 BoogieIcfgContainer [2018-10-24 16:03:31,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 16:03:31,598 INFO L168 Benchmark]: Toolchain (without parser) took 31639.54 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 870.5 MB. Max. memory is 7.1 GB. [2018-10-24 16:03:31,600 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 16:03:31,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.77 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 16:03:31,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -830.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2018-10-24 16:03:31,604 INFO L168 Benchmark]: Boogie Preprocessor took 85.22 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2018-10-24 16:03:31,605 INFO L168 Benchmark]: RCFGBuilder took 3315.44 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: 116.0 MB). Peak memory consumption was 116.0 MB. Max. memory is 7.1 GB. [2018-10-24 16:03:31,606 INFO L168 Benchmark]: TraceAbstraction took 27440.89 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 358.6 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -385.7 MB). Peak memory consumption was 809.2 MB. Max. memory is 7.1 GB. [2018-10-24 16:03:31,619 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 618.77 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 171.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -830.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.22 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3315.44 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: 116.0 MB). Peak memory consumption was 116.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27440.89 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 358.6 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -385.7 MB). Peak memory consumption was 809.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 190]: 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: ((((((((!(a19 == 8) && a12 == 0) && a4 == 14) && a10 <= 1) || ((a10 == 0 && a12 == 0) && a4 == 14)) || ((((a1 <= 218 && !(a19 == 10)) && !(a19 == 8)) && a12 == 0) && a4 == 14)) || (((!(a19 == 10) && a10 == 4) && a12 == 0) && a4 == 14)) || ((a10 == 1 && a12 == 0) && a4 == 14)) || ((a19 == 9 && a12 == 0) && a4 == 14)) || (((!(a19 == 10) && a10 == 2) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((!(a19 == 8) && a12 == 0) && a4 == 14) && a10 <= 1) || ((a10 == 0 && a12 == 0) && a4 == 14)) || ((((a1 <= 218 && !(a19 == 10)) && !(a19 == 8)) && a12 == 0) && a4 == 14)) || (((!(a19 == 10) && a10 == 4) && a12 == 0) && a4 == 14)) || ((a10 == 1 && a12 == 0) && a4 == 14)) || ((a19 == 9 && a12 == 0) && a4 == 14)) || (((!(a19 == 10) && a10 == 2) && a12 == 0) && a4 == 14) - 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, 27.3s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 22.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 584 SDtfs, 3732 SDslu, 765 SDs, 0 SdLazy, 6781 SolverSat, 1844 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 498 GetRequests, 463 SyntacticMatches, 7 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3980occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 280 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 109 NumberOfFragments, 183 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2513 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 322 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1637 NumberOfCodeBlocks, 1637 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1629 ConstructedInterpolants, 0 QuantifiedInterpolants, 1270376 SizeOfPredicates, 2 NumberOfNonLiveVariables, 608 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 854/1038 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...