./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c5d4c7b38a296f79910d0f6d17d9b88307731454 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-30 19:42:25,195 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 19:42:25,197 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 19:42:25,209 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 19:42:25,210 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 19:42:25,211 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 19:42:25,214 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 19:42:25,217 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 19:42:25,223 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 19:42:25,224 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 19:42:25,225 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 19:42:25,225 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 19:42:25,229 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 19:42:25,230 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 19:42:25,231 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 19:42:25,232 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 19:42:25,233 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 19:42:25,235 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 19:42:25,237 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 19:42:25,239 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 19:42:25,240 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 19:42:25,242 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 19:42:25,244 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 19:42:25,244 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 19:42:25,245 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 19:42:25,246 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 19:42:25,247 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 19:42:25,248 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 19:42:25,249 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 19:42:25,250 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 19:42:25,250 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 19:42:25,251 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 19:42:25,251 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 19:42:25,251 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 19:42:25,252 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 19:42:25,253 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 19:42:25,254 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 19:42:25,269 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 19:42:25,269 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 19:42:25,270 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 19:42:25,271 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 19:42:25,271 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 19:42:25,271 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 19:42:25,271 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 19:42:25,271 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 19:42:25,271 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 19:42:25,272 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 19:42:25,272 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 19:42:25,272 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 19:42:25,272 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 19:42:25,272 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 19:42:25,272 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 19:42:25,273 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 19:42:25,273 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 19:42:25,273 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 19:42:25,273 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 19:42:25,273 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 19:42:25,273 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 19:42:25,274 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 19:42:25,274 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 19:42:25,274 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 19:42:25,274 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 19:42:25,274 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 19:42:25,275 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 19:42:25,275 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 19:42:25,275 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5d4c7b38a296f79910d0f6d17d9b88307731454 [2018-12-30 19:42:25,310 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 19:42:25,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 19:42:25,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 19:42:25,328 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 19:42:25,329 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 19:42:25,329 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c [2018-12-30 19:42:25,389 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/518c3a5b9/a83867dd0d2a40959d9fd199d99ba449/FLAG65e160db8 [2018-12-30 19:42:25,936 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 19:42:25,941 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c [2018-12-30 19:42:25,955 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/518c3a5b9/a83867dd0d2a40959d9fd199d99ba449/FLAG65e160db8 [2018-12-30 19:42:26,183 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/518c3a5b9/a83867dd0d2a40959d9fd199d99ba449 [2018-12-30 19:42:26,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 19:42:26,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 19:42:26,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 19:42:26,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 19:42:26,197 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 19:42:26,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:42:26" (1/1) ... [2018-12-30 19:42:26,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ab9922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:26, skipping insertion in model container [2018-12-30 19:42:26,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:42:26" (1/1) ... [2018-12-30 19:42:26,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 19:42:26,278 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 19:42:26,761 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:42:26,776 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 19:42:26,955 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:42:26,987 INFO L195 MainTranslator]: Completed translation [2018-12-30 19:42:26,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:26 WrapperNode [2018-12-30 19:42:26,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 19:42:26,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 19:42:26,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 19:42:26,989 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 19:42:26,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:26" (1/1) ... [2018-12-30 19:42:27,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:26" (1/1) ... [2018-12-30 19:42:27,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 19:42:27,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 19:42:27,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 19:42:27,179 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 19:42:27,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:26" (1/1) ... [2018-12-30 19:42:27,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:26" (1/1) ... [2018-12-30 19:42:27,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:26" (1/1) ... [2018-12-30 19:42:27,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:26" (1/1) ... [2018-12-30 19:42:27,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:26" (1/1) ... [2018-12-30 19:42:27,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:26" (1/1) ... [2018-12-30 19:42:27,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:26" (1/1) ... [2018-12-30 19:42:27,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 19:42:27,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 19:42:27,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 19:42:27,263 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 19:42:27,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 19:42:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 19:42:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 19:42:30,346 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 19:42:30,347 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-30 19:42:30,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:42:30 BoogieIcfgContainer [2018-12-30 19:42:30,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 19:42:30,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 19:42:30,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 19:42:30,354 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 19:42:30,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 07:42:26" (1/3) ... [2018-12-30 19:42:30,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bbf6844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:42:30, skipping insertion in model container [2018-12-30 19:42:30,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:26" (2/3) ... [2018-12-30 19:42:30,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bbf6844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:42:30, skipping insertion in model container [2018-12-30 19:42:30,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:42:30" (3/3) ... [2018-12-30 19:42:30,359 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label36_true-unreach-call_false-termination.c [2018-12-30 19:42:30,372 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 19:42:30,384 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 19:42:30,410 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 19:42:30,456 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 19:42:30,457 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 19:42:30,457 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 19:42:30,457 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 19:42:30,457 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 19:42:30,457 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 19:42:30,458 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 19:42:30,458 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 19:42:30,458 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 19:42:30,483 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2018-12-30 19:42:30,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-30 19:42:30,496 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:30,497 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:42:30,500 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:30,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:30,509 INFO L82 PathProgramCache]: Analyzing trace with hash 2059373479, now seen corresponding path program 1 times [2018-12-30 19:42:30,512 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:30,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:30,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:30,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:30,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:42:31,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:42:31,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:42:31,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:42:31,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:42:31,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:42:31,363 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2018-12-30 19:42:33,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:42:33,934 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2018-12-30 19:42:33,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:42:33,936 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2018-12-30 19:42:33,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:42:33,960 INFO L225 Difference]: With dead ends: 662 [2018-12-30 19:42:33,960 INFO L226 Difference]: Without dead ends: 397 [2018-12-30 19:42:33,965 INFO L631 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 [2018-12-30 19:42:33,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-12-30 19:42:34,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 266. [2018-12-30 19:42:34,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-12-30 19:42:34,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2018-12-30 19:42:34,037 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 102 [2018-12-30 19:42:34,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:42:34,037 INFO L480 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2018-12-30 19:42:34,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:42:34,038 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2018-12-30 19:42:34,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-30 19:42:34,042 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:34,042 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:42:34,042 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:34,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:34,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1045586682, now seen corresponding path program 1 times [2018-12-30 19:42:34,043 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:34,043 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:34,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:34,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:34,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:42:34,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:42:34,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:42:34,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:42:34,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:42:34,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:42:34,232 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 4 states. [2018-12-30 19:42:35,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:42:35,520 INFO L93 Difference]: Finished difference Result 1054 states and 1512 transitions. [2018-12-30 19:42:35,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:42:35,521 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-12-30 19:42:35,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:42:35,529 INFO L225 Difference]: With dead ends: 1054 [2018-12-30 19:42:35,529 INFO L226 Difference]: Without dead ends: 790 [2018-12-30 19:42:35,531 INFO L631 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 [2018-12-30 19:42:35,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-12-30 19:42:35,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2018-12-30 19:42:35,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2018-12-30 19:42:35,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1068 transitions. [2018-12-30 19:42:35,589 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1068 transitions. Word has length 108 [2018-12-30 19:42:35,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:42:35,589 INFO L480 AbstractCegarLoop]: Abstraction has 790 states and 1068 transitions. [2018-12-30 19:42:35,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:42:35,590 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1068 transitions. [2018-12-30 19:42:35,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-30 19:42:35,595 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:35,595 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:42:35,596 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:35,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:35,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1471586822, now seen corresponding path program 1 times [2018-12-30 19:42:35,596 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:35,596 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:35,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:35,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:35,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:35,772 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:42:35,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:42:35,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:42:35,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:42:35,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:42:35,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:42:35,775 INFO L87 Difference]: Start difference. First operand 790 states and 1068 transitions. Second operand 3 states. [2018-12-30 19:42:37,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:42:37,152 INFO L93 Difference]: Finished difference Result 2102 states and 2852 transitions. [2018-12-30 19:42:37,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:42:37,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2018-12-30 19:42:37,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:42:37,164 INFO L225 Difference]: With dead ends: 2102 [2018-12-30 19:42:37,165 INFO L226 Difference]: Without dead ends: 1183 [2018-12-30 19:42:37,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:42:37,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2018-12-30 19:42:37,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2018-12-30 19:42:37,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2018-12-30 19:42:37,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1319 transitions. [2018-12-30 19:42:37,229 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1319 transitions. Word has length 109 [2018-12-30 19:42:37,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:42:37,231 INFO L480 AbstractCegarLoop]: Abstraction has 1052 states and 1319 transitions. [2018-12-30 19:42:37,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:42:37,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1319 transitions. [2018-12-30 19:42:37,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-30 19:42:37,241 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:37,241 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:42:37,241 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:37,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:37,242 INFO L82 PathProgramCache]: Analyzing trace with hash 818956648, now seen corresponding path program 1 times [2018-12-30 19:42:37,242 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:37,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:37,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:37,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:37,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:37,412 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-30 19:42:37,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:42:37,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:42:37,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:42:37,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:42:37,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:42:37,415 INFO L87 Difference]: Start difference. First operand 1052 states and 1319 transitions. Second operand 3 states. [2018-12-30 19:42:38,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:42:38,908 INFO L93 Difference]: Finished difference Result 2757 states and 3480 transitions. [2018-12-30 19:42:38,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:42:38,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2018-12-30 19:42:38,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:42:38,917 INFO L225 Difference]: With dead ends: 2757 [2018-12-30 19:42:38,917 INFO L226 Difference]: Without dead ends: 1576 [2018-12-30 19:42:38,919 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:42:38,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2018-12-30 19:42:38,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1445. [2018-12-30 19:42:38,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2018-12-30 19:42:38,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1638 transitions. [2018-12-30 19:42:38,952 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1638 transitions. Word has length 117 [2018-12-30 19:42:38,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:42:38,952 INFO L480 AbstractCegarLoop]: Abstraction has 1445 states and 1638 transitions. [2018-12-30 19:42:38,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:42:38,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1638 transitions. [2018-12-30 19:42:38,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-30 19:42:38,959 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:38,960 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:42:38,960 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:38,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:38,960 INFO L82 PathProgramCache]: Analyzing trace with hash -343867564, now seen corresponding path program 1 times [2018-12-30 19:42:38,960 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:38,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:38,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:38,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:38,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:39,184 WARN L181 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-30 19:42:39,266 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-30 19:42:39,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:42:39,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:42:39,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:42:39,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:42:39,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:42:39,268 INFO L87 Difference]: Start difference. First operand 1445 states and 1638 transitions. Second operand 4 states. [2018-12-30 19:42:39,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:42:39,886 INFO L93 Difference]: Finished difference Result 3027 states and 3424 transitions. [2018-12-30 19:42:39,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-30 19:42:39,887 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2018-12-30 19:42:39,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:42:39,895 INFO L225 Difference]: With dead ends: 3027 [2018-12-30 19:42:39,895 INFO L226 Difference]: Without dead ends: 1584 [2018-12-30 19:42:39,897 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-30 19:42:39,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2018-12-30 19:42:39,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1576. [2018-12-30 19:42:39,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2018-12-30 19:42:39,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1772 transitions. [2018-12-30 19:42:39,932 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1772 transitions. Word has length 125 [2018-12-30 19:42:39,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:42:39,932 INFO L480 AbstractCegarLoop]: Abstraction has 1576 states and 1772 transitions. [2018-12-30 19:42:39,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:42:39,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1772 transitions. [2018-12-30 19:42:39,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-30 19:42:39,935 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:39,935 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:42:39,936 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:39,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:39,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1453681636, now seen corresponding path program 1 times [2018-12-30 19:42:39,936 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:39,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:39,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:39,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:39,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:42:40,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:42:40,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:42:40,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:42:40,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:42:40,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:42:40,170 INFO L87 Difference]: Start difference. First operand 1576 states and 1772 transitions. Second operand 4 states. [2018-12-30 19:42:41,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:42:41,132 INFO L93 Difference]: Finished difference Result 3674 states and 4184 transitions. [2018-12-30 19:42:41,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:42:41,133 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2018-12-30 19:42:41,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:42:41,143 INFO L225 Difference]: With dead ends: 3674 [2018-12-30 19:42:41,143 INFO L226 Difference]: Without dead ends: 2231 [2018-12-30 19:42:41,146 INFO L631 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 [2018-12-30 19:42:41,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2018-12-30 19:42:41,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1838. [2018-12-30 19:42:41,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2018-12-30 19:42:41,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2024 transitions. [2018-12-30 19:42:41,190 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2024 transitions. Word has length 129 [2018-12-30 19:42:41,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:42:41,191 INFO L480 AbstractCegarLoop]: Abstraction has 1838 states and 2024 transitions. [2018-12-30 19:42:41,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:42:41,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2024 transitions. [2018-12-30 19:42:41,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-30 19:42:41,196 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:41,197 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:42:41,197 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:41,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:41,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1636914809, now seen corresponding path program 1 times [2018-12-30 19:42:41,197 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:41,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:41,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:41,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:41,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:41,736 WARN L181 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2018-12-30 19:42:41,813 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-30 19:42:41,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:42:41,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-30 19:42:41,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-30 19:42:41,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-30 19:42:41,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-12-30 19:42:41,820 INFO L87 Difference]: Start difference. First operand 1838 states and 2024 transitions. Second operand 8 states. [2018-12-30 19:42:43,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:42:43,378 INFO L93 Difference]: Finished difference Result 3981 states and 4389 transitions. [2018-12-30 19:42:43,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-30 19:42:43,379 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 143 [2018-12-30 19:42:43,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:42:43,387 INFO L225 Difference]: With dead ends: 3981 [2018-12-30 19:42:43,387 INFO L226 Difference]: Without dead ends: 2276 [2018-12-30 19:42:43,390 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-12-30 19:42:43,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2276 states. [2018-12-30 19:42:43,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2276 to 1969. [2018-12-30 19:42:43,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2018-12-30 19:42:43,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2156 transitions. [2018-12-30 19:42:43,433 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2156 transitions. Word has length 143 [2018-12-30 19:42:43,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:42:43,433 INFO L480 AbstractCegarLoop]: Abstraction has 1969 states and 2156 transitions. [2018-12-30 19:42:43,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-30 19:42:43,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2156 transitions. [2018-12-30 19:42:43,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-30 19:42:43,439 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:43,439 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:42:43,439 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:43,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:43,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1350213335, now seen corresponding path program 1 times [2018-12-30 19:42:43,440 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:43,440 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:43,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:43,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:43,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:43,806 WARN L181 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2018-12-30 19:42:44,072 WARN L181 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2018-12-30 19:42:44,268 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:42:44,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:42:44,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-30 19:42:44,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-30 19:42:44,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-30 19:42:44,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-12-30 19:42:44,269 INFO L87 Difference]: Start difference. First operand 1969 states and 2156 transitions. Second operand 6 states. [2018-12-30 19:42:45,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:42:45,894 INFO L93 Difference]: Finished difference Result 4207 states and 4601 transitions. [2018-12-30 19:42:45,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-30 19:42:45,895 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2018-12-30 19:42:45,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:42:45,907 INFO L225 Difference]: With dead ends: 4207 [2018-12-30 19:42:45,908 INFO L226 Difference]: Without dead ends: 2371 [2018-12-30 19:42:45,911 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-12-30 19:42:45,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2018-12-30 19:42:45,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 1838. [2018-12-30 19:42:45,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2018-12-30 19:42:45,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 1972 transitions. [2018-12-30 19:42:45,957 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 1972 transitions. Word has length 176 [2018-12-30 19:42:45,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:42:45,957 INFO L480 AbstractCegarLoop]: Abstraction has 1838 states and 1972 transitions. [2018-12-30 19:42:45,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-30 19:42:45,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 1972 transitions. [2018-12-30 19:42:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-30 19:42:45,968 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:45,969 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:42:45,969 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:45,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:45,970 INFO L82 PathProgramCache]: Analyzing trace with hash -800900639, now seen corresponding path program 1 times [2018-12-30 19:42:45,971 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:45,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:45,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:45,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:45,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:46,392 WARN L181 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-12-30 19:42:46,644 WARN L181 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-12-30 19:42:47,047 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-30 19:42:47,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:42:47,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-30 19:42:47,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-30 19:42:47,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-30 19:42:47,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-30 19:42:47,051 INFO L87 Difference]: Start difference. First operand 1838 states and 1972 transitions. Second operand 6 states. [2018-12-30 19:42:48,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:42:48,841 INFO L93 Difference]: Finished difference Result 3704 states and 3991 transitions. [2018-12-30 19:42:48,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-30 19:42:48,843 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 274 [2018-12-30 19:42:48,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:42:48,843 INFO L225 Difference]: With dead ends: 3704 [2018-12-30 19:42:48,843 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 19:42:48,848 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-30 19:42:48,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 19:42:48,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 19:42:48,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 19:42:48,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 19:42:48,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 274 [2018-12-30 19:42:48,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:42:48,849 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 19:42:48,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-30 19:42:48,849 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 19:42:48,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 19:42:48,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 19:42:48,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:42:48,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:42:48,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:42:48,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:42:48,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:42:48,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:42:48,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:42:48,964 WARN L181 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 57 [2018-12-30 19:42:48,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:42:48,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:42:49,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:42:49,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:42:49,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:42:49,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:42:49,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:42:49,520 WARN L181 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2018-12-30 19:42:49,711 WARN L181 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2018-12-30 19:42:49,715 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-30 19:42:49,715 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-30 19:42:49,715 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,715 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,715 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,715 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,715 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,715 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,715 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-30 19:42:49,716 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-30 19:42:49,716 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-30 19:42:49,716 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-30 19:42:49,716 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-30 19:42:49,716 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-30 19:42:49,716 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-30 19:42:49,716 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-30 19:42:49,716 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-30 19:42:49,716 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-30 19:42:49,716 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,716 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,717 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,717 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,717 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,717 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,717 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-30 19:42:49,717 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-30 19:42:49,717 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-30 19:42:49,717 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-30 19:42:49,717 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-30 19:42:49,718 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-30 19:42:49,718 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-30 19:42:49,718 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-30 19:42:49,718 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-30 19:42:49,718 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-30 19:42:49,718 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 482) no Hoare annotation was computed. [2018-12-30 19:42:49,718 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-30 19:42:49,718 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-30 19:42:49,718 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-30 19:42:49,718 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-30 19:42:49,719 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-30 19:42:49,719 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,719 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,719 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,719 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,719 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,719 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-30 19:42:49,719 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-30 19:42:49,719 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-30 19:42:49,719 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-30 19:42:49,719 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-30 19:42:49,719 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-30 19:42:49,720 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-30 19:42:49,720 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-30 19:42:49,720 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-30 19:42:49,720 INFO L444 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse3 (= ~a16~0 6)) (.cse0 (= ~a17~0 1)) (.cse1 (= ~a21~0 1)) (.cse4 (not (= ~a8~0 13))) (.cse2 (= ~a20~0 1))) (or (= ~a7~0 1) (and .cse0 .cse1 .cse2 .cse3) (= ~a16~0 4) (and .cse4 (= ~a16~0 5)) (and .cse3 .cse4) (and (and .cse0 .cse1 .cse4) .cse2))) [2018-12-30 19:42:49,720 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,720 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,721 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,721 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,721 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,721 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-30 19:42:49,721 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-30 19:42:49,721 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-30 19:42:49,721 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-30 19:42:49,721 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-30 19:42:49,721 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-30 19:42:49,721 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-30 19:42:49,721 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-30 19:42:49,722 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-30 19:42:49,722 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-30 19:42:49,722 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-30 19:42:49,722 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-30 19:42:49,722 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-30 19:42:49,722 INFO L451 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-12-30 19:42:49,722 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,722 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,722 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,722 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,722 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,723 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-30 19:42:49,723 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-30 19:42:49,723 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-30 19:42:49,723 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-30 19:42:49,723 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-30 19:42:49,723 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-30 19:42:49,723 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-30 19:42:49,723 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-30 19:42:49,723 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-30 19:42:49,723 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,723 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,723 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,724 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,724 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-30 19:42:49,724 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,724 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-30 19:42:49,724 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-30 19:42:49,724 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-30 19:42:49,724 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-30 19:42:49,724 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-30 19:42:49,724 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-30 19:42:49,724 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-30 19:42:49,725 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 19:42:49,725 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-30 19:42:49,725 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-30 19:42:49,725 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-30 19:42:49,725 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-30 19:42:49,725 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-30 19:42:49,725 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-30 19:42:49,725 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,726 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (= ~a16~0 6)) (.cse0 (= ~a17~0 1)) (.cse1 (= ~a21~0 1)) (.cse4 (not (= ~a8~0 13))) (.cse2 (= ~a20~0 1))) (or (= ~a7~0 1) (and .cse0 .cse1 .cse2 .cse3) (= ~a16~0 4) (and .cse4 (= ~a16~0 5)) (and .cse3 .cse4) (and (and .cse0 .cse1 .cse4) .cse2))) [2018-12-30 19:42:49,726 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,726 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,726 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,726 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,726 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-30 19:42:49,726 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-30 19:42:49,726 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-30 19:42:49,726 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-30 19:42:49,726 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-30 19:42:49,726 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-30 19:42:49,727 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-30 19:42:49,727 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-30 19:42:49,727 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,727 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,727 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,727 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,727 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,727 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-30 19:42:49,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 19:42:49,727 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-30 19:42:49,727 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-30 19:42:49,727 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-30 19:42:49,728 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-30 19:42:49,728 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-30 19:42:49,728 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-30 19:42:49,728 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-30 19:42:49,728 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-30 19:42:49,728 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-30 19:42:49,728 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-30 19:42:49,728 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-30 19:42:49,728 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,728 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,728 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,728 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,728 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-30 19:42:49,729 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,729 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,729 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-30 19:42:49,729 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-30 19:42:49,729 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 19:42:49,729 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-30 19:42:49,729 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-30 19:42:49,729 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-30 19:42:49,729 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-30 19:42:49,729 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-30 19:42:49,729 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-30 19:42:49,730 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-30 19:42:49,730 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-30 19:42:49,730 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-30 19:42:49,730 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-30 19:42:49,730 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,730 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,730 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,730 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,730 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,730 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-30 19:42:49,730 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,730 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-30 19:42:49,731 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-30 19:42:49,731 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-30 19:42:49,731 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-30 19:42:49,731 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-30 19:42:49,731 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-30 19:42:49,731 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-30 19:42:49,731 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-30 19:42:49,731 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-30 19:42:49,731 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-30 19:42:49,731 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-30 19:42:49,731 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-30 19:42:49,731 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-30 19:42:49,732 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-30 19:42:49,732 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-30 19:42:49,732 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,732 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,732 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,732 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,732 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,732 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:42:49,732 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-30 19:42:49,732 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-30 19:42:49,732 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-30 19:42:49,732 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-30 19:42:49,732 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-30 19:42:49,733 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-30 19:42:49,733 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-30 19:42:49,733 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-30 19:42:49,733 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-30 19:42:49,733 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-30 19:42:49,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 07:42:49 BoogieIcfgContainer [2018-12-30 19:42:49,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 19:42:49,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 19:42:49,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 19:42:49,775 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 19:42:49,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:42:30" (3/4) ... [2018-12-30 19:42:49,784 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 19:42:49,810 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-30 19:42:49,811 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 19:42:50,012 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 19:42:50,013 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 19:42:50,014 INFO L168 Benchmark]: Toolchain (without parser) took 23825.87 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 374.3 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -235.4 MB). Peak memory consumption was 139.0 MB. Max. memory is 11.5 GB. [2018-12-30 19:42:50,014 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 19:42:50,016 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.60 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 915.0 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-12-30 19:42:50,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 915.0 MB in the beginning and 1.1 GB in the end (delta: -223.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-12-30 19:42:50,017 INFO L168 Benchmark]: Boogie Preprocessor took 83.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-30 19:42:50,017 INFO L168 Benchmark]: RCFGBuilder took 3085.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 11.5 GB. [2018-12-30 19:42:50,018 INFO L168 Benchmark]: TraceAbstraction took 19419.86 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 222.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -178.2 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. [2018-12-30 19:42:50,019 INFO L168 Benchmark]: Witness Printer took 243.36 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-12-30 19:42:50,024 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 797.60 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 915.0 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 189.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 915.0 MB in the beginning and 1.1 GB in the end (delta: -223.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3085.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19419.86 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 222.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -178.2 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. * Witness Printer took 243.36 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 482]: 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: 30]: Loop Invariant Derived loop invariant: ((((a7 == 1 || (((a17 == 1 && a21 == 1) && a20 == 1) && a16 == 6)) || a16 == 4) || (!(a8 == 13) && a16 == 5)) || (a16 == 6 && !(a8 == 13))) || (((a17 == 1 && a21 == 1) && !(a8 == 13)) && a20 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((a7 == 1 || (((a17 == 1 && a21 == 1) && a20 == 1) && a16 == 6)) || a16 == 4) || (!(a8 == 13) && a16 == 5)) || (a16 == 6 && !(a8 == 13))) || (((a17 == 1 && a21 == 1) && !(a8 == 13)) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 19.2s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 13.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 639 SDtfs, 2551 SDslu, 111 SDs, 0 SdLazy, 5415 SolverSat, 841 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 13 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1634 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 61 NumberOfFragments, 103 HoareAnnotationTreeSize, 3 FomulaSimplifications, 9488 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 622 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1283 NumberOfCodeBlocks, 1283 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1274 ConstructedInterpolants, 0 QuantifiedInterpolants, 501461 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 627/627 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...