./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem02_label40_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/Problem02_label40_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 cf5fe32b34f3bdb04ccea0560b6f352942ab84d1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:45:02,184 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 19:45:02,186 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 19:45:02,199 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 19:45:02,199 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 19:45:02,201 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 19:45:02,202 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 19:45:02,204 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 19:45:02,206 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 19:45:02,207 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 19:45:02,208 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 19:45:02,208 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 19:45:02,210 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 19:45:02,211 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 19:45:02,212 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 19:45:02,213 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 19:45:02,214 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 19:45:02,216 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 19:45:02,219 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 19:45:02,220 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 19:45:02,222 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 19:45:02,223 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 19:45:02,226 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 19:45:02,226 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 19:45:02,227 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 19:45:02,227 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 19:45:02,228 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 19:45:02,229 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 19:45:02,230 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 19:45:02,231 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 19:45:02,231 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 19:45:02,234 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 19:45:02,235 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 19:45:02,235 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 19:45:02,236 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 19:45:02,239 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 19:45:02,240 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 19:45:02,271 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 19:45:02,275 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 19:45:02,276 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 19:45:02,276 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 19:45:02,276 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 19:45:02,278 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 19:45:02,278 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 19:45:02,278 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 19:45:02,278 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 19:45:02,278 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 19:45:02,279 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 19:45:02,279 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 19:45:02,279 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 19:45:02,279 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 19:45:02,279 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 19:45:02,279 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 19:45:02,280 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 19:45:02,280 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 19:45:02,281 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 19:45:02,281 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 19:45:02,281 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 19:45:02,281 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 19:45:02,281 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 19:45:02,282 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 19:45:02,282 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 19:45:02,282 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 19:45:02,282 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 19:45:02,282 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 19:45:02,283 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 -> cf5fe32b34f3bdb04ccea0560b6f352942ab84d1 [2018-12-30 19:45:02,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 19:45:02,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 19:45:02,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 19:45:02,364 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 19:45:02,364 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 19:45:02,366 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem02_label40_true-unreach-call_false-termination.c [2018-12-30 19:45:02,431 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc30ea98d/4adb9342c7bd4b289ac89dafcf3c0531/FLAG387b15924 [2018-12-30 19:45:03,049 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 19:45:03,050 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem02_label40_true-unreach-call_false-termination.c [2018-12-30 19:45:03,066 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc30ea98d/4adb9342c7bd4b289ac89dafcf3c0531/FLAG387b15924 [2018-12-30 19:45:03,298 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc30ea98d/4adb9342c7bd4b289ac89dafcf3c0531 [2018-12-30 19:45:03,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 19:45:03,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 19:45:03,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 19:45:03,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 19:45:03,312 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 19:45:03,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:45:03" (1/1) ... [2018-12-30 19:45:03,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd3e7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:03, skipping insertion in model container [2018-12-30 19:45:03,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:45:03" (1/1) ... [2018-12-30 19:45:03,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 19:45:03,400 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 19:45:03,847 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:45:03,853 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 19:45:03,981 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:45:04,001 INFO L195 MainTranslator]: Completed translation [2018-12-30 19:45:04,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:04 WrapperNode [2018-12-30 19:45:04,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 19:45:04,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 19:45:04,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 19:45:04,003 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 19:45:04,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:04" (1/1) ... [2018-12-30 19:45:04,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:04" (1/1) ... [2018-12-30 19:45:04,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 19:45:04,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 19:45:04,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 19:45:04,177 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 19:45:04,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:04" (1/1) ... [2018-12-30 19:45:04,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:04" (1/1) ... [2018-12-30 19:45:04,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:04" (1/1) ... [2018-12-30 19:45:04,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:04" (1/1) ... [2018-12-30 19:45:04,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:04" (1/1) ... [2018-12-30 19:45:04,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:04" (1/1) ... [2018-12-30 19:45:04,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:04" (1/1) ... [2018-12-30 19:45:04,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 19:45:04,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 19:45:04,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 19:45:04,246 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 19:45:04,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:04" (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 19:45:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 19:45:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 19:45:07,506 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 19:45:07,507 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-30 19:45:07,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:45:07 BoogieIcfgContainer [2018-12-30 19:45:07,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 19:45:07,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 19:45:07,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 19:45:07,515 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 19:45:07,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 07:45:03" (1/3) ... [2018-12-30 19:45:07,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f1931d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:45:07, skipping insertion in model container [2018-12-30 19:45:07,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:04" (2/3) ... [2018-12-30 19:45:07,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f1931d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:45:07, skipping insertion in model container [2018-12-30 19:45:07,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:45:07" (3/3) ... [2018-12-30 19:45:07,522 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label40_true-unreach-call_false-termination.c [2018-12-30 19:45:07,534 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 19:45:07,549 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 19:45:07,570 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 19:45:07,624 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 19:45:07,625 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 19:45:07,625 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 19:45:07,625 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 19:45:07,626 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 19:45:07,626 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 19:45:07,626 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 19:45:07,626 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 19:45:07,626 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 19:45:07,665 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2018-12-30 19:45:07,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-30 19:45:07,685 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:07,687 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] [2018-12-30 19:45:07,693 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:07,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:07,701 INFO L82 PathProgramCache]: Analyzing trace with hash 427661899, now seen corresponding path program 1 times [2018-12-30 19:45:07,703 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:07,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:07,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:07,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:07,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:08,372 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 19:45:08,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:45:08,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:45:08,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:45:08,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:45:08,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:08,406 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2018-12-30 19:45:11,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:11,467 INFO L93 Difference]: Finished difference Result 775 states and 1353 transitions. [2018-12-30 19:45:11,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:45:11,469 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-12-30 19:45:11,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:11,491 INFO L225 Difference]: With dead ends: 775 [2018-12-30 19:45:11,491 INFO L226 Difference]: Without dead ends: 460 [2018-12-30 19:45:11,496 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 19:45:11,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2018-12-30 19:45:11,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 308. [2018-12-30 19:45:11,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-12-30 19:45:11,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2018-12-30 19:45:11,564 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 89 [2018-12-30 19:45:11,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:11,565 INFO L480 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2018-12-30 19:45:11,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:45:11,565 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2018-12-30 19:45:11,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-30 19:45:11,570 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:11,570 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-30 19:45:11,571 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:11,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:11,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1584478528, now seen corresponding path program 1 times [2018-12-30 19:45:11,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:11,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:11,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:11,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:11,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:11,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:45:11,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:45:11,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:45:11,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:45:11,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:45:11,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:11,805 INFO L87 Difference]: Start difference. First operand 308 states and 451 transitions. Second operand 4 states. [2018-12-30 19:45:13,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:13,322 INFO L93 Difference]: Finished difference Result 1180 states and 1741 transitions. [2018-12-30 19:45:13,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:45:13,322 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-12-30 19:45:13,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:13,335 INFO L225 Difference]: With dead ends: 1180 [2018-12-30 19:45:13,335 INFO L226 Difference]: Without dead ends: 874 [2018-12-30 19:45:13,338 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:13,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2018-12-30 19:45:13,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 870. [2018-12-30 19:45:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2018-12-30 19:45:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1183 transitions. [2018-12-30 19:45:13,386 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1183 transitions. Word has length 93 [2018-12-30 19:45:13,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:13,387 INFO L480 AbstractCegarLoop]: Abstraction has 870 states and 1183 transitions. [2018-12-30 19:45:13,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:45:13,387 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1183 transitions. [2018-12-30 19:45:13,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-30 19:45:13,393 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:13,393 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:13,394 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:13,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:13,394 INFO L82 PathProgramCache]: Analyzing trace with hash 606564730, now seen corresponding path program 1 times [2018-12-30 19:45:13,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:13,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:13,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:13,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:13,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:13,462 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-30 19:45:13,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:45:13,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:45:13,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:45:13,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:45:13,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:13,463 INFO L87 Difference]: Start difference. First operand 870 states and 1183 transitions. Second operand 4 states. [2018-12-30 19:45:15,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:15,815 INFO L93 Difference]: Finished difference Result 2146 states and 2939 transitions. [2018-12-30 19:45:15,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:45:15,817 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-12-30 19:45:15,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:15,826 INFO L225 Difference]: With dead ends: 2146 [2018-12-30 19:45:15,827 INFO L226 Difference]: Without dead ends: 1278 [2018-12-30 19:45:15,833 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:15,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2018-12-30 19:45:15,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 578. [2018-12-30 19:45:15,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2018-12-30 19:45:15,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 776 transitions. [2018-12-30 19:45:15,877 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 776 transitions. Word has length 99 [2018-12-30 19:45:15,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:15,877 INFO L480 AbstractCegarLoop]: Abstraction has 578 states and 776 transitions. [2018-12-30 19:45:15,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:45:15,878 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 776 transitions. [2018-12-30 19:45:15,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-30 19:45:15,881 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:15,882 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-30 19:45:15,882 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:15,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:15,882 INFO L82 PathProgramCache]: Analyzing trace with hash 450798671, now seen corresponding path program 1 times [2018-12-30 19:45:15,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:15,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:15,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:15,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:15,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:45:15,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:45:15,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:45:15,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:45:15,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:45:15,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:45:15,950 INFO L87 Difference]: Start difference. First operand 578 states and 776 transitions. Second operand 3 states. [2018-12-30 19:45:16,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:16,975 INFO L93 Difference]: Finished difference Result 1714 states and 2306 transitions. [2018-12-30 19:45:16,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:45:16,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2018-12-30 19:45:16,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:16,984 INFO L225 Difference]: With dead ends: 1714 [2018-12-30 19:45:16,984 INFO L226 Difference]: Without dead ends: 1138 [2018-12-30 19:45:16,985 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 19:45:16,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2018-12-30 19:45:17,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1138. [2018-12-30 19:45:17,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2018-12-30 19:45:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1447 transitions. [2018-12-30 19:45:17,011 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1447 transitions. Word has length 99 [2018-12-30 19:45:17,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:17,011 INFO L480 AbstractCegarLoop]: Abstraction has 1138 states and 1447 transitions. [2018-12-30 19:45:17,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:45:17,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1447 transitions. [2018-12-30 19:45:17,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-30 19:45:17,014 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:17,015 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:17,015 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:17,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:17,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1355718265, now seen corresponding path program 1 times [2018-12-30 19:45:17,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:17,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:17,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:17,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:17,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:17,251 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:45:17,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:45:17,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:45:17,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:45:17,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:45:17,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:17,253 INFO L87 Difference]: Start difference. First operand 1138 states and 1447 transitions. Second operand 4 states. [2018-12-30 19:45:18,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:18,052 INFO L93 Difference]: Finished difference Result 2415 states and 3064 transitions. [2018-12-30 19:45:18,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:45:18,053 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2018-12-30 19:45:18,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:18,060 INFO L225 Difference]: With dead ends: 2415 [2018-12-30 19:45:18,061 INFO L226 Difference]: Without dead ends: 1279 [2018-12-30 19:45:18,063 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 19:45:18,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2018-12-30 19:45:18,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1279. [2018-12-30 19:45:18,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1279 states. [2018-12-30 19:45:18,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1438 transitions. [2018-12-30 19:45:18,091 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1438 transitions. Word has length 113 [2018-12-30 19:45:18,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:18,092 INFO L480 AbstractCegarLoop]: Abstraction has 1279 states and 1438 transitions. [2018-12-30 19:45:18,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:45:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1438 transitions. [2018-12-30 19:45:18,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-30 19:45:18,096 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:18,096 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:18,096 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:18,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:18,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1019939816, now seen corresponding path program 1 times [2018-12-30 19:45:18,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:18,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:18,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:18,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:18,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:18,453 WARN L181 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-12-30 19:45:18,675 WARN L181 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-30 19:45:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:45:18,839 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 19:45:18,840 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-30 19:45:18,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:18,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 19:45:19,076 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 19:45:19,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-30 19:45:19,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-12-30 19:45:19,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-30 19:45:19,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-30 19:45:19,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-30 19:45:19,111 INFO L87 Difference]: Start difference. First operand 1279 states and 1438 transitions. Second operand 8 states. [2018-12-30 19:45:23,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:23,866 INFO L93 Difference]: Finished difference Result 3721 states and 4191 transitions. [2018-12-30 19:45:23,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-30 19:45:23,868 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2018-12-30 19:45:23,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:23,877 INFO L225 Difference]: With dead ends: 3721 [2018-12-30 19:45:23,877 INFO L226 Difference]: Without dead ends: 2156 [2018-12-30 19:45:23,880 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2018-12-30 19:45:23,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2018-12-30 19:45:23,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 1836. [2018-12-30 19:45:23,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2018-12-30 19:45:23,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2012 transitions. [2018-12-30 19:45:23,920 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2012 transitions. Word has length 122 [2018-12-30 19:45:23,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:23,920 INFO L480 AbstractCegarLoop]: Abstraction has 1836 states and 2012 transitions. [2018-12-30 19:45:23,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-30 19:45:23,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2012 transitions. [2018-12-30 19:45:23,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-30 19:45:23,924 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:23,925 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2018-12-30 19:45:23,925 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:23,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:23,925 INFO L82 PathProgramCache]: Analyzing trace with hash 911939789, now seen corresponding path program 1 times [2018-12-30 19:45:23,925 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:23,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:23,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:23,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:23,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-30 19:45:24,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:45:24,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:45:24,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:45:24,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:45:24,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:45:24,049 INFO L87 Difference]: Start difference. First operand 1836 states and 2012 transitions. Second operand 3 states. [2018-12-30 19:45:24,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:24,562 INFO L93 Difference]: Finished difference Result 4230 states and 4667 transitions. [2018-12-30 19:45:24,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:45:24,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2018-12-30 19:45:24,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:24,569 INFO L225 Difference]: With dead ends: 4230 [2018-12-30 19:45:24,569 INFO L226 Difference]: Without dead ends: 1694 [2018-12-30 19:45:24,573 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 19:45:24,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2018-12-30 19:45:24,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1694. [2018-12-30 19:45:24,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2018-12-30 19:45:24,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 1825 transitions. [2018-12-30 19:45:24,604 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 1825 transitions. Word has length 126 [2018-12-30 19:45:24,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:24,605 INFO L480 AbstractCegarLoop]: Abstraction has 1694 states and 1825 transitions. [2018-12-30 19:45:24,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:45:24,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1825 transitions. [2018-12-30 19:45:24,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-30 19:45:24,609 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:24,609 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:24,610 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:24,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:24,610 INFO L82 PathProgramCache]: Analyzing trace with hash -863331546, now seen corresponding path program 1 times [2018-12-30 19:45:24,610 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:24,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:24,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:24,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:24,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:24,714 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-30 19:45:24,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:45:24,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:45:24,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:45:24,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:45:24,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:45:24,716 INFO L87 Difference]: Start difference. First operand 1694 states and 1825 transitions. Second operand 3 states. [2018-12-30 19:45:25,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:25,469 INFO L93 Difference]: Finished difference Result 3249 states and 3507 transitions. [2018-12-30 19:45:25,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:45:25,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2018-12-30 19:45:25,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:25,476 INFO L225 Difference]: With dead ends: 3249 [2018-12-30 19:45:25,476 INFO L226 Difference]: Without dead ends: 1697 [2018-12-30 19:45:25,478 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 19:45:25,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2018-12-30 19:45:25,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1694. [2018-12-30 19:45:25,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2018-12-30 19:45:25,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 1810 transitions. [2018-12-30 19:45:25,514 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 1810 transitions. Word has length 136 [2018-12-30 19:45:25,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:25,514 INFO L480 AbstractCegarLoop]: Abstraction has 1694 states and 1810 transitions. [2018-12-30 19:45:25,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:45:25,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1810 transitions. [2018-12-30 19:45:25,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-30 19:45:25,521 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:25,521 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:25,521 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:25,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:25,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1758746456, now seen corresponding path program 1 times [2018-12-30 19:45:25,522 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:25,522 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:25,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:25,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:25,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:25,923 WARN L181 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-12-30 19:45:26,100 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 128 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-30 19:45:26,100 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 19:45:26,101 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-30 19:45:26,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:26,175 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 19:45:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-12-30 19:45:26,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-30 19:45:26,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2018-12-30 19:45:26,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-30 19:45:26,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-30 19:45:26,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-30 19:45:26,307 INFO L87 Difference]: Start difference. First operand 1694 states and 1810 transitions. Second operand 9 states. [2018-12-30 19:45:27,776 WARN L181 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 21 [2018-12-30 19:45:30,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:30,017 INFO L93 Difference]: Finished difference Result 3530 states and 3785 transitions. [2018-12-30 19:45:30,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-30 19:45:30,028 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 173 [2018-12-30 19:45:30,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:30,029 INFO L225 Difference]: With dead ends: 3530 [2018-12-30 19:45:30,029 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 19:45:30,033 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-12-30 19:45:30,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 19:45:30,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 19:45:30,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 19:45:30,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 19:45:30,033 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2018-12-30 19:45:30,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:30,034 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 19:45:30,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-30 19:45:30,034 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 19:45:30,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 19:45:30,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 19:45:30,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:45:30,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:45:31,482 WARN L181 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 77 DAG size of output: 40 [2018-12-30 19:45:31,830 WARN L181 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 40 [2018-12-30 19:45:31,833 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,833 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,833 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,833 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-30 19:45:31,833 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-30 19:45:31,833 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-30 19:45:31,834 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-30 19:45:31,834 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-30 19:45:31,834 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-30 19:45:31,834 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-30 19:45:31,834 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,834 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,834 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,834 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-30 19:45:31,834 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-30 19:45:31,835 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-30 19:45:31,835 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-30 19:45:31,835 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-30 19:45:31,835 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-30 19:45:31,835 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-30 19:45:31,835 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,835 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,835 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,835 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-30 19:45:31,835 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-30 19:45:31,836 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-30 19:45:31,836 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-30 19:45:31,836 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-30 19:45:31,836 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,836 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,836 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,836 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-30 19:45:31,836 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-30 19:45:31,836 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-30 19:45:31,837 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-30 19:45:31,837 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-30 19:45:31,837 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-30 19:45:31,837 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-30 19:45:31,837 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-30 19:45:31,837 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,837 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,837 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,837 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-30 19:45:31,837 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-30 19:45:31,837 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-30 19:45:31,838 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-30 19:45:31,838 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-30 19:45:31,838 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-30 19:45:31,838 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-30 19:45:31,838 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-30 19:45:31,838 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,838 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,838 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,838 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-30 19:45:31,838 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-30 19:45:31,839 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-30 19:45:31,839 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-30 19:45:31,839 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-30 19:45:31,839 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-30 19:45:31,839 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-30 19:45:31,839 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-30 19:45:31,839 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-30 19:45:31,839 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,839 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,839 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,839 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-30 19:45:31,840 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-30 19:45:31,840 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-30 19:45:31,840 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-30 19:45:31,840 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-30 19:45:31,840 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-30 19:45:31,840 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,840 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,840 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,840 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-30 19:45:31,840 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-30 19:45:31,841 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-30 19:45:31,841 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-30 19:45:31,841 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-30 19:45:31,841 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 19:45:31,841 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-30 19:45:31,841 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-30 19:45:31,841 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-30 19:45:31,841 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,841 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,841 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,842 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-30 19:45:31,842 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-30 19:45:31,842 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-30 19:45:31,842 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-30 19:45:31,842 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-30 19:45:31,842 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,842 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,842 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,842 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-30 19:45:31,843 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-30 19:45:31,843 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-30 19:45:31,843 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-30 19:45:31,843 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-30 19:45:31,843 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-30 19:45:31,843 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-30 19:45:31,843 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-30 19:45:31,843 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-30 19:45:31,843 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-30 19:45:31,843 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-30 19:45:31,843 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-30 19:45:31,844 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,844 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,844 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-30 19:45:31,844 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-30 19:45:31,844 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-30 19:45:31,844 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-30 19:45:31,844 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-30 19:45:31,844 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-30 19:45:31,844 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-30 19:45:31,844 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-30 19:45:31,844 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-30 19:45:31,845 INFO L444 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse1 (= ~a28~0 7)) (.cse2 (<= ~a17~0 8))) (let ((.cse9 (and (not .cse1) .cse2)) (.cse10 (not (= ~a28~0 11))) (.cse8 (= ~a11~0 1)) (.cse3 (= ~a25~0 1))) (let ((.cse7 (not .cse3)) (.cse6 (not .cse8)) (.cse0 (= ~a19~0 1)) (.cse5 (= ~a17~0 8)) (.cse12 (= ~a21~0 1)) (.cse4 (<= ~a19~0 0)) (.cse13 (not (= ~a28~0 8))) (.cse11 (and .cse9 .cse10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6) (and .cse4 .cse7 .cse1 .cse2 .cse8) (and .cse0 .cse9 .cse3 .cse10) (and .cse11 .cse4 .cse7) (and .cse5 .cse0 .cse1 .cse12 .cse6) (and .cse5 .cse0 .cse3 .cse6 .cse12) (and (and .cse0 .cse9 .cse10) .cse13 .cse5 .cse12) (and .cse11 .cse4 .cse13) (and .cse11 .cse8))))) [2018-12-30 19:45:31,845 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,845 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,845 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-30 19:45:31,845 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-30 19:45:31,846 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-30 19:45:31,846 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-30 19:45:31,846 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-30 19:45:31,846 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-30 19:45:31,846 INFO L451 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2018-12-30 19:45:31,846 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,846 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,846 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-30 19:45:31,846 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2018-12-30 19:45:31,846 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-30 19:45:31,847 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-30 19:45:31,847 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-30 19:45:31,847 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-30 19:45:31,847 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-30 19:45:31,847 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-30 19:45:31,847 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-30 19:45:31,847 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-30 19:45:31,847 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,847 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,847 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-30 19:45:31,848 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-30 19:45:31,848 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-30 19:45:31,848 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-30 19:45:31,848 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-30 19:45:31,848 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-30 19:45:31,848 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a28~0 7)) (.cse2 (<= ~a17~0 8))) (let ((.cse9 (and (not .cse1) .cse2)) (.cse10 (not (= ~a28~0 11))) (.cse8 (= ~a11~0 1)) (.cse3 (= ~a25~0 1))) (let ((.cse7 (not .cse3)) (.cse6 (not .cse8)) (.cse0 (= ~a19~0 1)) (.cse5 (= ~a17~0 8)) (.cse12 (= ~a21~0 1)) (.cse4 (<= ~a19~0 0)) (.cse13 (not (= ~a28~0 8))) (.cse11 (and .cse9 .cse10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6) (and .cse4 .cse7 .cse1 .cse2 .cse8) (and .cse0 .cse9 .cse3 .cse10) (and .cse11 .cse4 .cse7) (and .cse5 .cse0 .cse1 .cse12 .cse6) (and .cse5 .cse0 .cse3 .cse6 .cse12) (and (and .cse0 .cse9 .cse10) .cse13 .cse5 .cse12) (and .cse11 .cse4 .cse13) (and .cse11 .cse8))))) [2018-12-30 19:45:31,848 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,848 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,849 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-30 19:45:31,849 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-30 19:45:31,849 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-30 19:45:31,851 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-30 19:45:31,852 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-30 19:45:31,852 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,852 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,852 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-30 19:45:31,852 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-30 19:45:31,852 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-30 19:45:31,852 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-30 19:45:31,852 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-30 19:45:31,852 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-30 19:45:31,852 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-30 19:45:31,853 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-30 19:45:31,853 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-30 19:45:31,853 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,853 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,853 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-30 19:45:31,853 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,853 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-30 19:45:31,853 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-30 19:45:31,853 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-30 19:45:31,853 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-30 19:45:31,853 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-30 19:45:31,853 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 19:45:31,856 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-30 19:45:31,856 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,856 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,856 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,856 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-30 19:45:31,856 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-30 19:45:31,856 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-30 19:45:31,856 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-30 19:45:31,856 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-30 19:45:31,856 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,857 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,857 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,857 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-30 19:45:31,857 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-30 19:45:31,857 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-30 19:45:31,857 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-30 19:45:31,857 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-30 19:45:31,857 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-30 19:45:31,857 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,857 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,857 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,858 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-30 19:45:31,858 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-30 19:45:31,858 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-30 19:45:31,858 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-30 19:45:31,858 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-30 19:45:31,858 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-30 19:45:31,858 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 19:45:31,858 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-30 19:45:31,858 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-30 19:45:31,858 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,858 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,858 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,861 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-30 19:45:31,861 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-30 19:45:31,862 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-30 19:45:31,862 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-30 19:45:31,862 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-30 19:45:31,862 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,862 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,862 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:31,862 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-30 19:45:31,862 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-30 19:45:31,862 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-30 19:45:31,862 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-30 19:45:31,862 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-30 19:45:31,862 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-30 19:45:31,863 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-30 19:45:31,863 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-30 19:45:31,863 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-30 19:45:31,863 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-30 19:45:31,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 07:45:31 BoogieIcfgContainer [2018-12-30 19:45:31,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 19:45:31,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 19:45:31,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 19:45:31,904 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 19:45:31,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:45:07" (3/4) ... [2018-12-30 19:45:31,915 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 19:45:31,959 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-30 19:45:31,961 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 19:45:32,196 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 19:45:32,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 19:45:32,197 INFO L168 Benchmark]: Toolchain (without parser) took 28894.90 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 378.0 MB). Free memory was 946.0 MB in the beginning and 894.1 MB in the end (delta: 51.9 MB). Peak memory consumption was 429.9 MB. Max. memory is 11.5 GB. [2018-12-30 19:45:32,198 INFO L168 Benchmark]: CDTParser took 0.45 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 19:45:32,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.50 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 913.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-30 19:45:32,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 913.8 MB in the beginning and 1.1 GB in the end (delta: -208.2 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-12-30 19:45:32,199 INFO L168 Benchmark]: Boogie Preprocessor took 65.98 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 19:45:32,199 INFO L168 Benchmark]: RCFGBuilder took 3261.83 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: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. [2018-12-30 19:45:32,200 INFO L168 Benchmark]: TraceAbstraction took 24394.86 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 242.7 MB). Free memory was 1.0 GB in the beginning and 916.4 MB in the end (delta: 93.3 MB). Peak memory consumption was 336.1 MB. Max. memory is 11.5 GB. [2018-12-30 19:45:32,200 INFO L168 Benchmark]: Witness Printer took 292.37 ms. Allocated memory is still 1.4 GB. Free memory was 916.4 MB in the beginning and 894.1 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-12-30 19:45:32,203 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 697.50 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 913.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 173.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 913.8 MB in the beginning and 1.1 GB in the end (delta: -208.2 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.98 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 3261.83 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: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24394.86 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 242.7 MB). Free memory was 1.0 GB in the beginning and 916.4 MB in the end (delta: 93.3 MB). Peak memory consumption was 336.1 MB. Max. memory is 11.5 GB. * Witness Printer took 292.37 ms. Allocated memory is still 1.4 GB. Free memory was 916.4 MB in the beginning and 894.1 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((a19 == 1 && a28 == 7) && a17 <= 8) && a25 == 1) || (((a19 <= 0 && a17 == 8) && a28 == 7) && !(a11 == 1))) || ((((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a17 <= 8) && a11 == 1)) || (((a19 == 1 && !(a28 == 7) && a17 <= 8) && a25 == 1) && !(a28 == 11))) || ((((!(a28 == 7) && a17 <= 8) && !(a28 == 11)) && a19 <= 0) && !(a25 == 1))) || ((((a17 == 8 && a19 == 1) && a28 == 7) && a21 == 1) && !(a11 == 1))) || ((((a17 == 8 && a19 == 1) && a25 == 1) && !(a11 == 1)) && a21 == 1)) || (((((a19 == 1 && !(a28 == 7) && a17 <= 8) && !(a28 == 11)) && !(a28 == 8)) && a17 == 8) && a21 == 1)) || ((((!(a28 == 7) && a17 <= 8) && !(a28 == 11)) && a19 <= 0) && !(a28 == 8))) || (((!(a28 == 7) && a17 <= 8) && !(a28 == 11)) && a11 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((((a19 == 1 && a28 == 7) && a17 <= 8) && a25 == 1) || (((a19 <= 0 && a17 == 8) && a28 == 7) && !(a11 == 1))) || ((((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a17 <= 8) && a11 == 1)) || (((a19 == 1 && !(a28 == 7) && a17 <= 8) && a25 == 1) && !(a28 == 11))) || ((((!(a28 == 7) && a17 <= 8) && !(a28 == 11)) && a19 <= 0) && !(a25 == 1))) || ((((a17 == 8 && a19 == 1) && a28 == 7) && a21 == 1) && !(a11 == 1))) || ((((a17 == 8 && a19 == 1) && a25 == 1) && !(a11 == 1)) && a21 == 1)) || (((((a19 == 1 && !(a28 == 7) && a17 <= 8) && !(a28 == 11)) && !(a28 == 8)) && a17 == 8) && a21 == 1)) || ((((!(a28 == 7) && a17 <= 8) && !(a28 == 11)) && a19 <= 0) && !(a28 == 8))) || (((!(a28 == 7) && a17 <= 8) && !(a28 == 11)) && a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 24.2s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 18.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 796 SDtfs, 4090 SDslu, 266 SDs, 0 SdLazy, 7492 SolverSat, 1093 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 349 GetRequests, 313 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1836occurred in iteration=6, 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, 1179 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 56 NumberOfFragments, 369 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3452 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1474 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1345 NumberOfCodeBlocks, 1345 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1334 ConstructedInterpolants, 0 QuantifiedInterpolants, 525939 SizeOfPredicates, 1 NumberOfNonLiveVariables, 560 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 537/547 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...