./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem01_label08_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 16d1e07abe3d8baa61b9a8d494202a7664f873bb ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:39:46,311 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 19:39:46,313 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 19:39:46,325 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 19:39:46,326 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 19:39:46,327 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 19:39:46,328 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 19:39:46,331 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 19:39:46,332 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 19:39:46,333 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 19:39:46,335 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 19:39:46,335 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 19:39:46,336 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 19:39:46,337 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 19:39:46,338 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 19:39:46,339 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 19:39:46,340 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 19:39:46,343 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 19:39:46,345 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 19:39:46,347 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 19:39:46,348 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 19:39:46,349 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 19:39:46,352 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 19:39:46,353 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 19:39:46,353 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 19:39:46,354 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 19:39:46,355 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 19:39:46,357 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 19:39:46,357 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 19:39:46,359 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 19:39:46,359 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 19:39:46,360 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 19:39:46,360 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 19:39:46,360 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 19:39:46,362 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 19:39:46,363 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 19:39:46,363 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 19:39:46,389 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 19:39:46,390 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 19:39:46,392 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 19:39:46,392 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 19:39:46,393 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 19:39:46,394 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 19:39:46,394 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 19:39:46,394 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 19:39:46,394 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 19:39:46,394 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 19:39:46,395 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 19:39:46,395 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 19:39:46,395 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 19:39:46,395 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 19:39:46,395 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 19:39:46,395 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 19:39:46,395 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 19:39:46,398 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 19:39:46,398 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 19:39:46,398 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 19:39:46,398 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 19:39:46,399 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 19:39:46,399 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 19:39:46,399 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 19:39:46,399 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 19:39:46,399 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 19:39:46,399 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 19:39:46,400 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 19:39:46,400 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 -> 16d1e07abe3d8baa61b9a8d494202a7664f873bb [2018-12-30 19:39:46,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 19:39:46,472 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 19:39:46,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 19:39:46,478 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 19:39:46,478 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 19:39:46,480 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-12-30 19:39:46,541 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/850244007/c07bd49e429945128d86804b4cef163b/FLAGcfa82c986 [2018-12-30 19:39:47,168 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 19:39:47,168 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-12-30 19:39:47,184 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/850244007/c07bd49e429945128d86804b4cef163b/FLAGcfa82c986 [2018-12-30 19:39:47,381 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/850244007/c07bd49e429945128d86804b4cef163b [2018-12-30 19:39:47,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 19:39:47,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 19:39:47,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 19:39:47,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 19:39:47,394 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 19:39:47,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:39:47" (1/1) ... [2018-12-30 19:39:47,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ab9922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:39:47, skipping insertion in model container [2018-12-30 19:39:47,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:39:47" (1/1) ... [2018-12-30 19:39:47,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 19:39:47,463 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 19:39:47,881 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:39:47,888 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 19:39:48,015 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:39:48,043 INFO L195 MainTranslator]: Completed translation [2018-12-30 19:39:48,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:39:48 WrapperNode [2018-12-30 19:39:48,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 19:39:48,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 19:39:48,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 19:39:48,046 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 19:39:48,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:39:48" (1/1) ... [2018-12-30 19:39:48,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:39:48" (1/1) ... [2018-12-30 19:39:48,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 19:39:48,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 19:39:48,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 19:39:48,221 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 19:39:48,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:39:48" (1/1) ... [2018-12-30 19:39:48,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:39:48" (1/1) ... [2018-12-30 19:39:48,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:39:48" (1/1) ... [2018-12-30 19:39:48,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:39:48" (1/1) ... [2018-12-30 19:39:48,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:39:48" (1/1) ... [2018-12-30 19:39:48,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:39:48" (1/1) ... [2018-12-30 19:39:48,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:39:48" (1/1) ... [2018-12-30 19:39:48,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 19:39:48,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 19:39:48,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 19:39:48,316 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 19:39:48,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:39:48" (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 19:39:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 19:39:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 19:39:51,471 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 19:39:51,472 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-30 19:39:51,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:39:51 BoogieIcfgContainer [2018-12-30 19:39:51,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 19:39:51,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 19:39:51,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 19:39:51,478 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 19:39:51,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 07:39:47" (1/3) ... [2018-12-30 19:39:51,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bbf6844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:39:51, skipping insertion in model container [2018-12-30 19:39:51,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:39:48" (2/3) ... [2018-12-30 19:39:51,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bbf6844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:39:51, skipping insertion in model container [2018-12-30 19:39:51,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:39:51" (3/3) ... [2018-12-30 19:39:51,482 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label08_true-unreach-call_false-termination.c [2018-12-30 19:39:51,499 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 19:39:51,516 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 19:39:51,538 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 19:39:51,585 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 19:39:51,586 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 19:39:51,586 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 19:39:51,587 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 19:39:51,587 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 19:39:51,587 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 19:39:51,587 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 19:39:51,587 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 19:39:51,588 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 19:39:51,616 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2018-12-30 19:39:51,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-30 19:39:51,631 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:39:51,632 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:39:51,635 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:39:51,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:39:51,643 INFO L82 PathProgramCache]: Analyzing trace with hash -439667690, now seen corresponding path program 1 times [2018-12-30 19:39:51,646 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:39:51,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:39:51,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:39:51,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:39:51,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:39:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:39:52,136 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 19:39:52,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:39:52,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:39:52,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:39:52,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:39:52,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:39:52,165 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2018-12-30 19:39:53,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:39:53,665 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2018-12-30 19:39:53,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:39:53,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2018-12-30 19:39:53,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:39:53,685 INFO L225 Difference]: With dead ends: 528 [2018-12-30 19:39:53,686 INFO L226 Difference]: Without dead ends: 266 [2018-12-30 19:39:53,691 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 19:39:53,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-12-30 19:39:53,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2018-12-30 19:39:53,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-12-30 19:39:53,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 374 transitions. [2018-12-30 19:39:53,759 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 374 transitions. Word has length 113 [2018-12-30 19:39:53,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:39:53,760 INFO L480 AbstractCegarLoop]: Abstraction has 266 states and 374 transitions. [2018-12-30 19:39:53,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:39:53,760 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 374 transitions. [2018-12-30 19:39:53,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-30 19:39:53,766 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:39:53,766 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, 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 19:39:53,767 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:39:53,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:39:53,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1141355742, now seen corresponding path program 1 times [2018-12-30 19:39:53,768 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:39:53,768 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:39:53,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:39:53,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:39:53,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:39:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:39:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-30 19:39:54,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:39:54,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:39:54,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:39:54,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:39:54,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:39:54,062 INFO L87 Difference]: Start difference. First operand 266 states and 374 transitions. Second operand 4 states. [2018-12-30 19:39:56,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:39:56,057 INFO L93 Difference]: Finished difference Result 1054 states and 1488 transitions. [2018-12-30 19:39:56,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:39:56,058 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 117 [2018-12-30 19:39:56,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:39:56,067 INFO L225 Difference]: With dead ends: 1054 [2018-12-30 19:39:56,067 INFO L226 Difference]: Without dead ends: 790 [2018-12-30 19:39:56,073 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:39:56,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-12-30 19:39:56,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 528. [2018-12-30 19:39:56,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2018-12-30 19:39:56,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 708 transitions. [2018-12-30 19:39:56,146 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 708 transitions. Word has length 117 [2018-12-30 19:39:56,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:39:56,147 INFO L480 AbstractCegarLoop]: Abstraction has 528 states and 708 transitions. [2018-12-30 19:39:56,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:39:56,147 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 708 transitions. [2018-12-30 19:39:56,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-30 19:39:56,152 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:39:56,153 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:39:56,153 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:39:56,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:39:56,153 INFO L82 PathProgramCache]: Analyzing trace with hash -935067032, now seen corresponding path program 1 times [2018-12-30 19:39:56,154 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:39:56,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:39:56,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:39:56,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:39:56,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:39:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:39:56,298 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-30 19:39:56,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:39:56,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:39:56,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:39:56,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:39:56,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:39:56,302 INFO L87 Difference]: Start difference. First operand 528 states and 708 transitions. Second operand 3 states. [2018-12-30 19:39:56,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:39:56,999 INFO L93 Difference]: Finished difference Result 1316 states and 1785 transitions. [2018-12-30 19:39:56,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:39:57,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2018-12-30 19:39:57,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:39:57,005 INFO L225 Difference]: With dead ends: 1316 [2018-12-30 19:39:57,005 INFO L226 Difference]: Without dead ends: 790 [2018-12-30 19:39:57,008 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 19:39:57,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-12-30 19:39:57,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2018-12-30 19:39:57,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2018-12-30 19:39:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 888 transitions. [2018-12-30 19:39:57,033 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 888 transitions. Word has length 147 [2018-12-30 19:39:57,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:39:57,033 INFO L480 AbstractCegarLoop]: Abstraction has 659 states and 888 transitions. [2018-12-30 19:39:57,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:39:57,033 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 888 transitions. [2018-12-30 19:39:57,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-30 19:39:57,036 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:39:57,036 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:39:57,036 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:39:57,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:39:57,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1615405790, now seen corresponding path program 1 times [2018-12-30 19:39:57,037 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:39:57,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:39:57,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:39:57,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:39:57,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:39:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:39:57,213 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-30 19:39:57,285 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-30 19:39:57,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:39:57,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:39:57,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:39:57,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:39:57,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:39:57,286 INFO L87 Difference]: Start difference. First operand 659 states and 888 transitions. Second operand 4 states. [2018-12-30 19:39:59,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:39:59,710 INFO L93 Difference]: Finished difference Result 1449 states and 1931 transitions. [2018-12-30 19:39:59,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:39:59,711 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 151 [2018-12-30 19:39:59,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:39:59,716 INFO L225 Difference]: With dead ends: 1449 [2018-12-30 19:39:59,717 INFO L226 Difference]: Without dead ends: 792 [2018-12-30 19:39:59,722 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-30 19:39:59,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2018-12-30 19:39:59,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 790. [2018-12-30 19:39:59,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2018-12-30 19:39:59,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1025 transitions. [2018-12-30 19:39:59,756 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1025 transitions. Word has length 151 [2018-12-30 19:39:59,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:39:59,757 INFO L480 AbstractCegarLoop]: Abstraction has 790 states and 1025 transitions. [2018-12-30 19:39:59,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:39:59,758 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1025 transitions. [2018-12-30 19:39:59,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-30 19:39:59,764 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:39:59,765 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 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, 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 19:39:59,765 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:39:59,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:39:59,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1243165274, now seen corresponding path program 1 times [2018-12-30 19:39:59,766 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:39:59,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:39:59,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:39:59,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:39:59,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:39:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-30 19:40:00,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:40:00,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:40:00,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:40:00,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:40:00,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:40:00,009 INFO L87 Difference]: Start difference. First operand 790 states and 1025 transitions. Second operand 3 states. [2018-12-30 19:40:00,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:40:00,686 INFO L93 Difference]: Finished difference Result 1709 states and 2245 transitions. [2018-12-30 19:40:00,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:40:00,687 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2018-12-30 19:40:00,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:40:00,694 INFO L225 Difference]: With dead ends: 1709 [2018-12-30 19:40:00,694 INFO L226 Difference]: Without dead ends: 1052 [2018-12-30 19:40:00,696 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:40:00,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2018-12-30 19:40:00,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2018-12-30 19:40:00,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2018-12-30 19:40:00,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1323 transitions. [2018-12-30 19:40:00,722 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1323 transitions. Word has length 155 [2018-12-30 19:40:00,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:40:00,722 INFO L480 AbstractCegarLoop]: Abstraction has 1052 states and 1323 transitions. [2018-12-30 19:40:00,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:40:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1323 transitions. [2018-12-30 19:40:00,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-30 19:40:00,727 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:40:00,728 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 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, 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 19:40:00,728 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:40:00,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:40:00,728 INFO L82 PathProgramCache]: Analyzing trace with hash 626276872, now seen corresponding path program 1 times [2018-12-30 19:40:00,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:40:00,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:40:00,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:00,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:40:00,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-30 19:40:00,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:40:00,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:40:00,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:40:00,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:40:00,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:40:00,844 INFO L87 Difference]: Start difference. First operand 1052 states and 1323 transitions. Second operand 4 states. [2018-12-30 19:40:02,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:40:02,045 INFO L93 Difference]: Finished difference Result 3150 states and 3974 transitions. [2018-12-30 19:40:02,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:40:02,046 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2018-12-30 19:40:02,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:40:02,055 INFO L225 Difference]: With dead ends: 3150 [2018-12-30 19:40:02,056 INFO L226 Difference]: Without dead ends: 2231 [2018-12-30 19:40:02,058 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 19:40:02,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2018-12-30 19:40:02,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1576. [2018-12-30 19:40:02,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2018-12-30 19:40:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1943 transitions. [2018-12-30 19:40:02,096 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1943 transitions. Word has length 164 [2018-12-30 19:40:02,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:40:02,096 INFO L480 AbstractCegarLoop]: Abstraction has 1576 states and 1943 transitions. [2018-12-30 19:40:02,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:40:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1943 transitions. [2018-12-30 19:40:02,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-30 19:40:02,101 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:40:02,102 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:40:02,102 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:40:02,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:40:02,103 INFO L82 PathProgramCache]: Analyzing trace with hash 375824388, now seen corresponding path program 1 times [2018-12-30 19:40:02,103 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:40:02,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:40:02,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:02,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:40:02,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:02,280 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-30 19:40:02,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:40:02,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:40:02,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-30 19:40:02,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-30 19:40:02,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-30 19:40:02,282 INFO L87 Difference]: Start difference. First operand 1576 states and 1943 transitions. Second operand 5 states. [2018-12-30 19:40:03,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:40:03,464 INFO L93 Difference]: Finished difference Result 3543 states and 4355 transitions. [2018-12-30 19:40:03,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-30 19:40:03,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 188 [2018-12-30 19:40:03,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:40:03,473 INFO L225 Difference]: With dead ends: 3543 [2018-12-30 19:40:03,473 INFO L226 Difference]: Without dead ends: 2100 [2018-12-30 19:40:03,476 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-30 19:40:03,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2018-12-30 19:40:03,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1838. [2018-12-30 19:40:03,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2018-12-30 19:40:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2216 transitions. [2018-12-30 19:40:03,516 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2216 transitions. Word has length 188 [2018-12-30 19:40:03,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:40:03,516 INFO L480 AbstractCegarLoop]: Abstraction has 1838 states and 2216 transitions. [2018-12-30 19:40:03,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-30 19:40:03,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2216 transitions. [2018-12-30 19:40:03,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-30 19:40:03,522 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:40:03,522 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:40:03,523 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:40:03,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:40:03,523 INFO L82 PathProgramCache]: Analyzing trace with hash -2072693678, now seen corresponding path program 1 times [2018-12-30 19:40:03,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:40:03,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:40:03,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:03,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:40:03,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:03,806 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-30 19:40:03,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:40:03,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:40:03,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:40:03,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:40:03,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:40:03,808 INFO L87 Difference]: Start difference. First operand 1838 states and 2216 transitions. Second operand 4 states. [2018-12-30 19:40:04,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:40:04,825 INFO L93 Difference]: Finished difference Result 4591 states and 5491 transitions. [2018-12-30 19:40:04,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:40:04,825 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 203 [2018-12-30 19:40:04,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:40:04,834 INFO L225 Difference]: With dead ends: 4591 [2018-12-30 19:40:04,834 INFO L226 Difference]: Without dead ends: 2231 [2018-12-30 19:40:04,838 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:40:04,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2018-12-30 19:40:04,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1707. [2018-12-30 19:40:04,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2018-12-30 19:40:04,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1847 transitions. [2018-12-30 19:40:04,878 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1847 transitions. Word has length 203 [2018-12-30 19:40:04,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:40:04,878 INFO L480 AbstractCegarLoop]: Abstraction has 1707 states and 1847 transitions. [2018-12-30 19:40:04,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:40:04,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1847 transitions. [2018-12-30 19:40:04,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-30 19:40:04,885 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:40:04,886 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:40:04,886 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:40:04,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:40:04,886 INFO L82 PathProgramCache]: Analyzing trace with hash -230297452, now seen corresponding path program 1 times [2018-12-30 19:40:04,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:40:04,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:40:04,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:04,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:40:04,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:05,190 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-12-30 19:40:05,192 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:40:05,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:40:05,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:40:05,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:40:05,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:40:05,193 INFO L87 Difference]: Start difference. First operand 1707 states and 1847 transitions. Second operand 3 states. [2018-12-30 19:40:05,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:40:05,890 INFO L93 Difference]: Finished difference Result 2100 states and 2283 transitions. [2018-12-30 19:40:05,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:40:05,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2018-12-30 19:40:05,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:40:05,892 INFO L225 Difference]: With dead ends: 2100 [2018-12-30 19:40:05,892 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 19:40:05,895 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 19:40:05,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 19:40:05,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 19:40:05,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 19:40:05,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 19:40:05,896 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 217 [2018-12-30 19:40:05,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:40:05,897 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 19:40:05,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:40:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 19:40:05,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 19:40:05,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 19:40:06,730 WARN L181 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2018-12-30 19:40:07,192 WARN L181 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2018-12-30 19:40:07,194 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-30 19:40:07,194 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-30 19:40:07,194 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,195 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,195 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,195 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,195 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,195 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,195 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-30 19:40:07,195 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-30 19:40:07,195 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-30 19:40:07,195 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-30 19:40:07,196 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-30 19:40:07,196 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-30 19:40:07,196 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-30 19:40:07,196 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-30 19:40:07,196 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-30 19:40:07,196 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-30 19:40:07,196 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,196 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,197 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,197 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,197 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,197 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,197 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-30 19:40:07,197 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-30 19:40:07,197 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-30 19:40:07,197 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-30 19:40:07,197 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-30 19:40:07,197 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-30 19:40:07,198 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-30 19:40:07,198 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-30 19:40:07,198 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-30 19:40:07,198 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-30 19:40:07,198 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-30 19:40:07,198 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-30 19:40:07,198 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-30 19:40:07,198 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-30 19:40:07,198 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-30 19:40:07,198 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,199 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,199 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,199 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,199 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,199 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-30 19:40:07,199 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-30 19:40:07,199 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-30 19:40:07,199 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-30 19:40:07,200 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-30 19:40:07,200 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-30 19:40:07,200 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-30 19:40:07,200 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-30 19:40:07,200 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-30 19:40:07,201 INFO L444 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a8~0 13))) (let ((.cse0 (not (= 6 ~a16~0))) (.cse2 (= ~a20~0 1)) (.cse5 (not (= ~a7~0 1))) (.cse3 (= ~a21~0 1)) (.cse4 (not .cse1))) (or (and .cse0 .cse1 (= ~a17~0 1)) (and .cse1 .cse2) (and .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse3) (and (and .cse3 .cse2) (not (= ~a8~0 15))) (and .cse5 .cse3 .cse4)))) [2018-12-30 19:40:07,201 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,201 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,201 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,201 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,201 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,201 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-30 19:40:07,201 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-30 19:40:07,201 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-30 19:40:07,202 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-30 19:40:07,202 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-30 19:40:07,202 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-30 19:40:07,202 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-30 19:40:07,202 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-30 19:40:07,202 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-30 19:40:07,202 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-30 19:40:07,202 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-30 19:40:07,202 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-30 19:40:07,202 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-30 19:40:07,202 INFO L451 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-12-30 19:40:07,203 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,203 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,203 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,203 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,203 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,203 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-30 19:40:07,203 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-30 19:40:07,203 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-30 19:40:07,203 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-30 19:40:07,203 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-30 19:40:07,204 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-30 19:40:07,204 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-30 19:40:07,204 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-30 19:40:07,204 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-30 19:40:07,204 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,204 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,204 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,204 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,204 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-30 19:40:07,204 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,205 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-30 19:40:07,205 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-30 19:40:07,205 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-30 19:40:07,205 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-30 19:40:07,205 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-30 19:40:07,205 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-30 19:40:07,205 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-30 19:40:07,205 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 19:40:07,205 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-30 19:40:07,205 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-30 19:40:07,206 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-30 19:40:07,206 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-30 19:40:07,206 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-30 19:40:07,206 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-30 19:40:07,206 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,208 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (= ~a8~0 13))) (let ((.cse0 (not (= 6 ~a16~0))) (.cse2 (= ~a20~0 1)) (.cse5 (not (= ~a7~0 1))) (.cse3 (= ~a21~0 1)) (.cse4 (not .cse1))) (or (and .cse0 .cse1 (= ~a17~0 1)) (and .cse1 .cse2) (and .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse3) (and (and .cse3 .cse2) (not (= ~a8~0 15))) (and .cse5 .cse3 .cse4)))) [2018-12-30 19:40:07,208 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,208 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,208 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,208 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,208 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-30 19:40:07,208 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-30 19:40:07,209 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-30 19:40:07,209 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-30 19:40:07,209 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-30 19:40:07,209 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-30 19:40:07,209 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-30 19:40:07,209 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-30 19:40:07,209 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,209 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,209 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,209 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,210 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,210 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-30 19:40:07,210 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 19:40:07,210 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-30 19:40:07,210 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-30 19:40:07,210 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-30 19:40:07,210 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-30 19:40:07,210 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-30 19:40:07,210 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-30 19:40:07,210 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-30 19:40:07,211 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-30 19:40:07,211 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-30 19:40:07,211 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-30 19:40:07,211 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-30 19:40:07,211 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,211 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,211 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,211 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,211 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-30 19:40:07,211 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,212 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,212 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-30 19:40:07,212 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-30 19:40:07,212 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 19:40:07,212 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-30 19:40:07,212 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-30 19:40:07,212 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-30 19:40:07,212 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-30 19:40:07,212 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-30 19:40:07,213 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-30 19:40:07,213 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-30 19:40:07,213 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-30 19:40:07,213 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-30 19:40:07,213 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-30 19:40:07,213 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2018-12-30 19:40:07,213 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,213 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,213 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,214 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,214 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,214 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-30 19:40:07,214 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,214 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-30 19:40:07,214 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-30 19:40:07,214 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-30 19:40:07,214 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-30 19:40:07,214 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-30 19:40:07,214 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-30 19:40:07,214 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-30 19:40:07,215 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-30 19:40:07,215 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-30 19:40:07,215 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-30 19:40:07,215 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-30 19:40:07,215 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-30 19:40:07,215 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-30 19:40:07,215 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-30 19:40:07,215 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-30 19:40:07,215 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,215 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,216 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,216 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,216 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,216 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:07,216 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-30 19:40:07,216 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-30 19:40:07,216 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-30 19:40:07,216 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-30 19:40:07,216 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-30 19:40:07,216 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-30 19:40:07,216 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-30 19:40:07,217 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-30 19:40:07,217 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-30 19:40:07,217 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-30 19:40:07,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 07:40:07 BoogieIcfgContainer [2018-12-30 19:40:07,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 19:40:07,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 19:40:07,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 19:40:07,238 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 19:40:07,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:39:51" (3/4) ... [2018-12-30 19:40:07,256 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 19:40:07,307 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-30 19:40:07,309 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 19:40:07,502 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 19:40:07,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 19:40:07,504 INFO L168 Benchmark]: Toolchain (without parser) took 20116.99 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 365.4 MB). Free memory was 947.3 MB in the beginning and 1.3 GB in the end (delta: -393.2 MB). Peak memory consumption was 444.1 MB. Max. memory is 11.5 GB. [2018-12-30 19:40:07,505 INFO L168 Benchmark]: CDTParser took 0.22 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 19:40:07,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.53 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 915.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-30 19:40:07,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 174.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 915.1 MB in the beginning and 1.1 GB in the end (delta: -197.6 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-12-30 19:40:07,506 INFO L168 Benchmark]: Boogie Preprocessor took 95.16 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-30 19:40:07,506 INFO L168 Benchmark]: RCFGBuilder took 3156.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.4 MB in the end (delta: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. [2018-12-30 19:40:07,507 INFO L168 Benchmark]: TraceAbstraction took 15763.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 999.4 MB in the beginning and 820.7 MB in the end (delta: 178.7 MB). Peak memory consumption was 362.8 MB. Max. memory is 11.5 GB. [2018-12-30 19:40:07,509 INFO L168 Benchmark]: Witness Printer took 264.83 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 55.1 MB). Free memory was 820.7 MB in the beginning and 1.3 GB in the end (delta: -519.9 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-30 19:40:07,512 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 655.53 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 915.1 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 174.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 915.1 MB in the beginning and 1.1 GB in the end (delta: -197.6 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.16 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3156.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.4 MB in the end (delta: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15763.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 999.4 MB in the beginning and 820.7 MB in the end (delta: 178.7 MB). Peak memory consumption was 362.8 MB. Max. memory is 11.5 GB. * Witness Printer took 264.83 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 55.1 MB). Free memory was 820.7 MB in the beginning and 1.3 GB in the end (delta: -519.9 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 515]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((!(6 == a16) && a8 == 13) && a17 == 1) || (a8 == 13 && a20 == 1)) || ((!(6 == a16) && a21 == 1) && !(a8 == 13))) || ((!(a7 == 1) && !(6 == a16)) && a21 == 1)) || ((a21 == 1 && a20 == 1) && !(a8 == 15))) || ((!(a7 == 1) && a21 == 1) && !(a8 == 13)) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((!(6 == a16) && a8 == 13) && a17 == 1) || (a8 == 13 && a20 == 1)) || ((!(6 == a16) && a21 == 1) && !(a8 == 13))) || ((!(a7 == 1) && !(6 == a16)) && a21 == 1)) || ((a21 == 1 && a20 == 1) && !(a8 == 15))) || ((!(a7 == 1) && a21 == 1) && !(a8 == 13)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 15.6s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 11.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 520 SDtfs, 1863 SDslu, 85 SDs, 0 SdLazy, 4383 SolverSat, 719 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1838occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1836 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 45 NumberOfFragments, 135 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2834 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 424 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1455 NumberOfCodeBlocks, 1455 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1446 ConstructedInterpolants, 0 QuantifiedInterpolants, 543858 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 640/640 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...