./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label24.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/eca-rers2012/Problem03_label24.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 d443bde2b4ed91a040fe01a253a772dbee49a394 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 15:45:57,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:45:57,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:45:57,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:45:57,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:45:57,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:45:57,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:45:57,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:45:57,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:45:57,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:45:57,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:45:57,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:45:57,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:45:57,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:45:57,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:45:57,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:45:57,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:45:57,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:45:57,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:45:57,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:45:57,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:45:57,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:45:57,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:45:57,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:45:57,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:45:57,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:45:57,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:45:57,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:45:57,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:45:57,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:45:57,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:45:57,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:45:57,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:45:57,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:45:57,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:45:57,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:45:57,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:45:57,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:45:57,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:45:57,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:45:57,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:45:57,412 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:45:57,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:45:57,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:45:57,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:45:57,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:45:57,439 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:45:57,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:45:57,439 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:45:57,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:45:57,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:45:57,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:45:57,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:45:57,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:45:57,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:45:57,443 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:45:57,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:45:57,443 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:45:57,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:45:57,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:45:57,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:45:57,445 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:45:57,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:45:57,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:45:57,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:45:57,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:45:57,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:45:57,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:45:57,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:45:57,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:45:57,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:45:57,449 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> d443bde2b4ed91a040fe01a253a772dbee49a394 [2019-11-28 15:45:57,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:45:57,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:45:57,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:45:57,772 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:45:57,773 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:45:57,774 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label24.c [2019-11-28 15:45:57,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad66fc66d/eadfbdc8bca44a0b98193b2a93b352d2/FLAG39e71002f [2019-11-28 15:45:58,439 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:45:58,440 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label24.c [2019-11-28 15:45:58,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad66fc66d/eadfbdc8bca44a0b98193b2a93b352d2/FLAG39e71002f [2019-11-28 15:45:58,634 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad66fc66d/eadfbdc8bca44a0b98193b2a93b352d2 [2019-11-28 15:45:58,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:45:58,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:45:58,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:45:58,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:45:58,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:45:58,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:45:58" (1/1) ... [2019-11-28 15:45:58,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10712095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:58, skipping insertion in model container [2019-11-28 15:45:58,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:45:58" (1/1) ... [2019-11-28 15:45:58,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:45:58,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:45:59,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:45:59,541 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:45:59,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:45:59,887 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:45:59,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:59 WrapperNode [2019-11-28 15:45:59,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:45:59,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:45:59,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:45:59,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:45:59,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:59" (1/1) ... [2019-11-28 15:45:59,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:59" (1/1) ... [2019-11-28 15:46:00,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:46:00,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:46:00,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:46:00,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:46:00,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:59" (1/1) ... [2019-11-28 15:46:00,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:59" (1/1) ... [2019-11-28 15:46:00,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:59" (1/1) ... [2019-11-28 15:46:00,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:59" (1/1) ... [2019-11-28 15:46:00,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:59" (1/1) ... [2019-11-28 15:46:00,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:59" (1/1) ... [2019-11-28 15:46:00,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:59" (1/1) ... [2019-11-28 15:46:00,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:46:00,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:46:00,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:46:00,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:46:00,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:59" (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 [2019-11-28 15:46:00,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:46:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:46:02,323 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:46:02,324 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 15:46:02,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:46:02 BoogieIcfgContainer [2019-11-28 15:46:02,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:46:02,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:46:02,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:46:02,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:46:02,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:45:58" (1/3) ... [2019-11-28 15:46:02,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9a04d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:46:02, skipping insertion in model container [2019-11-28 15:46:02,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:59" (2/3) ... [2019-11-28 15:46:02,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9a04d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:46:02, skipping insertion in model container [2019-11-28 15:46:02,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:46:02" (3/3) ... [2019-11-28 15:46:02,338 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label24.c [2019-11-28 15:46:02,350 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:46:02,359 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:46:02,373 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:46:02,415 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:46:02,416 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:46:02,416 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:46:02,416 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:46:02,416 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:46:02,417 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:46:02,418 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:46:02,418 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:46:02,441 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-11-28 15:46:02,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-28 15:46:02,518 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:46:02,523 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:46:02,524 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:46:02,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:46:02,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1612939027, now seen corresponding path program 1 times [2019-11-28 15:46:02,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:46:02,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632442591] [2019-11-28 15:46:02,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:46:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:46:03,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:46:03,206 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632442591] [2019-11-28 15:46:03,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:46:03,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:46:03,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125946777] [2019-11-28 15:46:03,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:46:03,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:46:03,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:46:03,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:46:03,234 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 4 states. [2019-11-28 15:46:05,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:46:05,613 INFO L93 Difference]: Finished difference Result 1023 states and 1861 transitions. [2019-11-28 15:46:05,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:46:05,615 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 191 [2019-11-28 15:46:05,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:46:05,639 INFO L225 Difference]: With dead ends: 1023 [2019-11-28 15:46:05,640 INFO L226 Difference]: Without dead ends: 654 [2019-11-28 15:46:05,647 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:46:05,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2019-11-28 15:46:05,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 652. [2019-11-28 15:46:05,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2019-11-28 15:46:05,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 964 transitions. [2019-11-28 15:46:05,733 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 964 transitions. Word has length 191 [2019-11-28 15:46:05,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:46:05,735 INFO L462 AbstractCegarLoop]: Abstraction has 652 states and 964 transitions. [2019-11-28 15:46:05,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:46:05,735 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 964 transitions. [2019-11-28 15:46:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-28 15:46:05,743 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:46:05,743 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:46:05,744 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:46:05,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:46:05,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1561555348, now seen corresponding path program 1 times [2019-11-28 15:46:05,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:46:05,745 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856241961] [2019-11-28 15:46:05,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:46:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:46:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:46:05,902 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856241961] [2019-11-28 15:46:05,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:46:05,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:46:05,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914513030] [2019-11-28 15:46:05,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:46:05,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:46:05,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:46:05,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:46:05,907 INFO L87 Difference]: Start difference. First operand 652 states and 964 transitions. Second operand 3 states. [2019-11-28 15:46:07,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:46:07,067 INFO L93 Difference]: Finished difference Result 1929 states and 2864 transitions. [2019-11-28 15:46:07,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:46:07,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-11-28 15:46:07,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:46:07,075 INFO L225 Difference]: With dead ends: 1929 [2019-11-28 15:46:07,076 INFO L226 Difference]: Without dead ends: 1279 [2019-11-28 15:46:07,080 INFO L630 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 [2019-11-28 15:46:07,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2019-11-28 15:46:07,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1265. [2019-11-28 15:46:07,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2019-11-28 15:46:07,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1832 transitions. [2019-11-28 15:46:07,138 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1832 transitions. Word has length 199 [2019-11-28 15:46:07,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:46:07,139 INFO L462 AbstractCegarLoop]: Abstraction has 1265 states and 1832 transitions. [2019-11-28 15:46:07,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:46:07,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1832 transitions. [2019-11-28 15:46:07,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-28 15:46:07,144 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:46:07,144 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:46:07,144 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:46:07,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:46:07,145 INFO L82 PathProgramCache]: Analyzing trace with hash -252433271, now seen corresponding path program 1 times [2019-11-28 15:46:07,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:46:07,146 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042203130] [2019-11-28 15:46:07,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:46:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:46:07,369 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 15:46:07,370 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042203130] [2019-11-28 15:46:07,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:46:07,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:46:07,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815040390] [2019-11-28 15:46:07,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:46:07,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:46:07,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:46:07,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:46:07,374 INFO L87 Difference]: Start difference. First operand 1265 states and 1832 transitions. Second operand 3 states. [2019-11-28 15:46:08,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:46:08,413 INFO L93 Difference]: Finished difference Result 3758 states and 5448 transitions. [2019-11-28 15:46:08,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:46:08,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-11-28 15:46:08,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:46:08,503 INFO L225 Difference]: With dead ends: 3758 [2019-11-28 15:46:08,503 INFO L226 Difference]: Without dead ends: 2495 [2019-11-28 15:46:08,506 INFO L630 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 [2019-11-28 15:46:08,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2019-11-28 15:46:08,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2493. [2019-11-28 15:46:08,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2019-11-28 15:46:08,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 3402 transitions. [2019-11-28 15:46:08,582 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 3402 transitions. Word has length 206 [2019-11-28 15:46:08,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:46:08,584 INFO L462 AbstractCegarLoop]: Abstraction has 2493 states and 3402 transitions. [2019-11-28 15:46:08,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:46:08,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 3402 transitions. [2019-11-28 15:46:08,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-11-28 15:46:08,601 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:46:08,602 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:46:08,602 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:46:08,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:46:08,603 INFO L82 PathProgramCache]: Analyzing trace with hash -225243153, now seen corresponding path program 1 times [2019-11-28 15:46:08,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:46:08,603 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587416901] [2019-11-28 15:46:08,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:46:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:46:08,741 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 15:46:08,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587416901] [2019-11-28 15:46:08,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:46:08,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:46:08,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962848952] [2019-11-28 15:46:08,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:46:08,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:46:08,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:46:08,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:46:08,744 INFO L87 Difference]: Start difference. First operand 2493 states and 3402 transitions. Second operand 4 states. [2019-11-28 15:46:09,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:46:09,865 INFO L93 Difference]: Finished difference Result 4955 states and 6763 transitions. [2019-11-28 15:46:09,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:46:09,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 216 [2019-11-28 15:46:09,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:46:09,878 INFO L225 Difference]: With dead ends: 4955 [2019-11-28 15:46:09,879 INFO L226 Difference]: Without dead ends: 2464 [2019-11-28 15:46:09,883 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:46:09,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2019-11-28 15:46:09,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 2464. [2019-11-28 15:46:09,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2464 states. [2019-11-28 15:46:09,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 3263 transitions. [2019-11-28 15:46:09,940 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 3263 transitions. Word has length 216 [2019-11-28 15:46:09,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:46:09,941 INFO L462 AbstractCegarLoop]: Abstraction has 2464 states and 3263 transitions. [2019-11-28 15:46:09,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:46:09,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 3263 transitions. [2019-11-28 15:46:09,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-11-28 15:46:09,947 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:46:09,948 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:46:09,948 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:46:09,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:46:09,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1464925484, now seen corresponding path program 1 times [2019-11-28 15:46:09,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:46:09,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79045798] [2019-11-28 15:46:09,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:46:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:46:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 15:46:10,065 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79045798] [2019-11-28 15:46:10,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:46:10,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:46:10,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718359522] [2019-11-28 15:46:10,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:46:10,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:46:10,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:46:10,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:46:10,067 INFO L87 Difference]: Start difference. First operand 2464 states and 3263 transitions. Second operand 4 states. [2019-11-28 15:46:11,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:46:11,859 INFO L93 Difference]: Finished difference Result 9843 states and 13038 transitions. [2019-11-28 15:46:11,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:46:11,859 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2019-11-28 15:46:11,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:46:11,892 INFO L225 Difference]: With dead ends: 9843 [2019-11-28 15:46:11,892 INFO L226 Difference]: Without dead ends: 7381 [2019-11-28 15:46:11,898 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:46:11,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7381 states. [2019-11-28 15:46:12,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7381 to 7377. [2019-11-28 15:46:12,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7377 states. [2019-11-28 15:46:12,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7377 states to 7377 states and 9720 transitions. [2019-11-28 15:46:12,045 INFO L78 Accepts]: Start accepts. Automaton has 7377 states and 9720 transitions. Word has length 218 [2019-11-28 15:46:12,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:46:12,045 INFO L462 AbstractCegarLoop]: Abstraction has 7377 states and 9720 transitions. [2019-11-28 15:46:12,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:46:12,045 INFO L276 IsEmpty]: Start isEmpty. Operand 7377 states and 9720 transitions. [2019-11-28 15:46:12,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-11-28 15:46:12,056 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:46:12,057 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:46:12,057 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:46:12,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:46:12,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1826592161, now seen corresponding path program 1 times [2019-11-28 15:46:12,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:46:12,058 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185226703] [2019-11-28 15:46:12,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:46:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:46:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-28 15:46:12,214 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185226703] [2019-11-28 15:46:12,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:46:12,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:46:12,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031725950] [2019-11-28 15:46:12,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:46:12,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:46:12,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:46:12,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:46:12,218 INFO L87 Difference]: Start difference. First operand 7377 states and 9720 transitions. Second operand 3 states. [2019-11-28 15:46:13,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:46:13,235 INFO L93 Difference]: Finished difference Result 14758 states and 19450 transitions. [2019-11-28 15:46:13,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:46:13,235 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2019-11-28 15:46:13,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:46:13,263 INFO L225 Difference]: With dead ends: 14758 [2019-11-28 15:46:13,263 INFO L226 Difference]: Without dead ends: 7383 [2019-11-28 15:46:13,274 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:46:13,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2019-11-28 15:46:13,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 7377. [2019-11-28 15:46:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7377 states. [2019-11-28 15:46:13,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7377 states to 7377 states and 8865 transitions. [2019-11-28 15:46:13,395 INFO L78 Accepts]: Start accepts. Automaton has 7377 states and 8865 transitions. Word has length 222 [2019-11-28 15:46:13,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:46:13,396 INFO L462 AbstractCegarLoop]: Abstraction has 7377 states and 8865 transitions. [2019-11-28 15:46:13,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:46:13,396 INFO L276 IsEmpty]: Start isEmpty. Operand 7377 states and 8865 transitions. [2019-11-28 15:46:13,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-11-28 15:46:13,403 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:46:13,404 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:46:13,404 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:46:13,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:46:13,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1919299954, now seen corresponding path program 1 times [2019-11-28 15:46:13,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:46:13,405 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421222909] [2019-11-28 15:46:13,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:46:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:46:13,516 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 15:46:13,516 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421222909] [2019-11-28 15:46:13,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:46:13,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:46:13,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439837098] [2019-11-28 15:46:13,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:46:13,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:46:13,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:46:13,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:46:13,518 INFO L87 Difference]: Start difference. First operand 7377 states and 8865 transitions. Second operand 3 states. [2019-11-28 15:46:14,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:46:14,752 INFO L93 Difference]: Finished difference Result 21872 states and 26317 transitions. [2019-11-28 15:46:14,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:46:14,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2019-11-28 15:46:14,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:46:14,798 INFO L225 Difference]: With dead ends: 21872 [2019-11-28 15:46:14,798 INFO L226 Difference]: Without dead ends: 14497 [2019-11-28 15:46:14,808 INFO L630 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 [2019-11-28 15:46:14,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14497 states. [2019-11-28 15:46:14,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14497 to 14488. [2019-11-28 15:46:14,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14488 states. [2019-11-28 15:46:15,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14488 states to 14488 states and 17031 transitions. [2019-11-28 15:46:15,016 INFO L78 Accepts]: Start accepts. Automaton has 14488 states and 17031 transitions. Word has length 240 [2019-11-28 15:46:15,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:46:15,016 INFO L462 AbstractCegarLoop]: Abstraction has 14488 states and 17031 transitions. [2019-11-28 15:46:15,016 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:46:15,016 INFO L276 IsEmpty]: Start isEmpty. Operand 14488 states and 17031 transitions. [2019-11-28 15:46:15,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-28 15:46:15,027 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:46:15,027 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:46:15,028 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:46:15,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:46:15,028 INFO L82 PathProgramCache]: Analyzing trace with hash 237647221, now seen corresponding path program 1 times [2019-11-28 15:46:15,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:46:15,029 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010153411] [2019-11-28 15:46:15,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:46:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:46:15,154 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:46:15,155 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010153411] [2019-11-28 15:46:15,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:46:15,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:46:15,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292185246] [2019-11-28 15:46:15,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:46:15,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:46:15,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:46:15,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:46:15,157 INFO L87 Difference]: Start difference. First operand 14488 states and 17031 transitions. Second operand 4 states. [2019-11-28 15:46:16,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:46:16,392 INFO L93 Difference]: Finished difference Result 28974 states and 34060 transitions. [2019-11-28 15:46:16,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:46:16,392 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 245 [2019-11-28 15:46:16,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:46:16,420 INFO L225 Difference]: With dead ends: 28974 [2019-11-28 15:46:16,420 INFO L226 Difference]: Without dead ends: 14488 [2019-11-28 15:46:16,434 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:46:16,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14488 states. [2019-11-28 15:46:16,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14488 to 14488. [2019-11-28 15:46:16,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14488 states. [2019-11-28 15:46:16,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14488 states to 14488 states and 16609 transitions. [2019-11-28 15:46:16,618 INFO L78 Accepts]: Start accepts. Automaton has 14488 states and 16609 transitions. Word has length 245 [2019-11-28 15:46:16,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:46:16,619 INFO L462 AbstractCegarLoop]: Abstraction has 14488 states and 16609 transitions. [2019-11-28 15:46:16,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:46:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand 14488 states and 16609 transitions. [2019-11-28 15:46:16,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-28 15:46:16,628 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:46:16,629 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:46:16,629 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:46:16,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:46:16,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1556480726, now seen corresponding path program 1 times [2019-11-28 15:46:16,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:46:16,630 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374001367] [2019-11-28 15:46:16,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:46:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:46:16,851 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-28 15:46:16,851 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374001367] [2019-11-28 15:46:16,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:46:16,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:46:16,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682291655] [2019-11-28 15:46:16,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:46:16,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:46:16,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:46:16,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:46:16,857 INFO L87 Difference]: Start difference. First operand 14488 states and 16609 transitions. Second operand 3 states. [2019-11-28 15:46:18,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:46:18,023 INFO L93 Difference]: Finished difference Result 35718 states and 40926 transitions. [2019-11-28 15:46:18,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:46:18,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2019-11-28 15:46:18,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:46:18,068 INFO L225 Difference]: With dead ends: 35718 [2019-11-28 15:46:18,068 INFO L226 Difference]: Without dead ends: 21232 [2019-11-28 15:46:18,083 INFO L630 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 [2019-11-28 15:46:18,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21232 states. [2019-11-28 15:46:18,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21232 to 21227. [2019-11-28 15:46:18,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21227 states. [2019-11-28 15:46:18,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21227 states to 21227 states and 24282 transitions. [2019-11-28 15:46:18,358 INFO L78 Accepts]: Start accepts. Automaton has 21227 states and 24282 transitions. Word has length 253 [2019-11-28 15:46:18,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:46:18,359 INFO L462 AbstractCegarLoop]: Abstraction has 21227 states and 24282 transitions. [2019-11-28 15:46:18,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:46:18,359 INFO L276 IsEmpty]: Start isEmpty. Operand 21227 states and 24282 transitions. [2019-11-28 15:46:18,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-11-28 15:46:18,376 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:46:18,376 INFO L410 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:46:18,376 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:46:18,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:46:18,377 INFO L82 PathProgramCache]: Analyzing trace with hash 474797067, now seen corresponding path program 1 times [2019-11-28 15:46:18,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:46:18,377 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988165709] [2019-11-28 15:46:18,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:46:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:46:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 71 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-28 15:46:18,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988165709] [2019-11-28 15:46:18,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805910085] [2019-11-28 15:46:18,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:46:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:46:18,748 INFO L264 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 15:46:18,781 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 15:46:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-11-28 15:46:18,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 15:46:18,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2019-11-28 15:46:18,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822932850] [2019-11-28 15:46:18,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:46:18,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:46:18,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:46:18,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 15:46:18,939 INFO L87 Difference]: Start difference. First operand 21227 states and 24282 transitions. Second operand 3 states. [2019-11-28 15:46:20,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:46:20,274 INFO L93 Difference]: Finished difference Result 42470 states and 48598 transitions. [2019-11-28 15:46:20,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:46:20,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 260 [2019-11-28 15:46:20,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:46:20,324 INFO L225 Difference]: With dead ends: 42470 [2019-11-28 15:46:20,324 INFO L226 Difference]: Without dead ends: 21245 [2019-11-28 15:46:20,343 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 15:46:20,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21245 states. [2019-11-28 15:46:20,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21245 to 20618. [2019-11-28 15:46:20,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20618 states. [2019-11-28 15:46:20,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20618 states to 20618 states and 23185 transitions. [2019-11-28 15:46:20,682 INFO L78 Accepts]: Start accepts. Automaton has 20618 states and 23185 transitions. Word has length 260 [2019-11-28 15:46:20,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:46:20,683 INFO L462 AbstractCegarLoop]: Abstraction has 20618 states and 23185 transitions. [2019-11-28 15:46:20,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:46:20,683 INFO L276 IsEmpty]: Start isEmpty. Operand 20618 states and 23185 transitions. [2019-11-28 15:46:20,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-28 15:46:20,696 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:46:20,696 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:46:20,901 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:46:20,901 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:46:20,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:46:20,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1666597647, now seen corresponding path program 1 times [2019-11-28 15:46:20,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:46:20,903 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039977003] [2019-11-28 15:46:20,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:46:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:46:21,145 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-28 15:46:21,146 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039977003] [2019-11-28 15:46:21,147 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520345595] [2019-11-28 15:46:21,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:46:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:46:21,363 INFO L264 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 15:46:21,370 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 15:46:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-28 15:46:21,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 15:46:21,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-28 15:46:21,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911875197] [2019-11-28 15:46:21,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:46:21,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:46:21,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:46:21,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 15:46:21,513 INFO L87 Difference]: Start difference. First operand 20618 states and 23185 transitions. Second operand 3 states. [2019-11-28 15:46:22,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:46:22,590 INFO L93 Difference]: Finished difference Result 55276 states and 62224 transitions. [2019-11-28 15:46:22,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:46:22,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 270 [2019-11-28 15:46:22,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:46:22,641 INFO L225 Difference]: With dead ends: 55276 [2019-11-28 15:46:22,641 INFO L226 Difference]: Without dead ends: 34660 [2019-11-28 15:46:22,669 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 15:46:22,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34660 states. [2019-11-28 15:46:23,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34660 to 34625. [2019-11-28 15:46:23,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34625 states. [2019-11-28 15:46:23,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34625 states to 34625 states and 38656 transitions. [2019-11-28 15:46:23,407 INFO L78 Accepts]: Start accepts. Automaton has 34625 states and 38656 transitions. Word has length 270 [2019-11-28 15:46:23,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:46:23,408 INFO L462 AbstractCegarLoop]: Abstraction has 34625 states and 38656 transitions. [2019-11-28 15:46:23,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:46:23,409 INFO L276 IsEmpty]: Start isEmpty. Operand 34625 states and 38656 transitions. [2019-11-28 15:46:23,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-11-28 15:46:23,426 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:46:23,427 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:46:23,632 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:46:23,633 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:46:23,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:46:23,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1954846457, now seen corresponding path program 1 times [2019-11-28 15:46:23,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:46:23,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454812707] [2019-11-28 15:46:23,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:46:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:46:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:46:24,000 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454812707] [2019-11-28 15:46:24,000 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337246658] [2019-11-28 15:46:24,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:46:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:46:24,161 INFO L264 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 15:46:24,166 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 15:46:24,248 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-28 15:46:24,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 15:46:24,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-28 15:46:24,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819231917] [2019-11-28 15:46:24,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:46:24,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:46:24,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:46:24,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:46:24,250 INFO L87 Difference]: Start difference. First operand 34625 states and 38656 transitions. Second operand 3 states. [2019-11-28 15:46:25,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:46:25,477 INFO L93 Difference]: Finished difference Result 69874 states and 77969 transitions. [2019-11-28 15:46:25,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:46:25,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2019-11-28 15:46:25,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:46:25,479 INFO L225 Difference]: With dead ends: 69874 [2019-11-28 15:46:25,479 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 15:46:25,507 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 283 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:46:25,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 15:46:25,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 15:46:25,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 15:46:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 15:46:25,508 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 284 [2019-11-28 15:46:25,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:46:25,508 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 15:46:25,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:46:25,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 15:46:25,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 15:46:25,712 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:46:25,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 15:46:25,868 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2019-11-28 15:46:26,006 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2019-11-28 15:46:26,415 WARN L192 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-11-28 15:46:26,824 WARN L192 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-11-28 15:46:26,828 INFO L246 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-11-28 15:46:26,828 INFO L246 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2019-11-28 15:46:26,828 INFO L246 CegarLoopResult]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,828 INFO L246 CegarLoopResult]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,828 INFO L246 CegarLoopResult]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,828 INFO L246 CegarLoopResult]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,829 INFO L246 CegarLoopResult]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,829 INFO L246 CegarLoopResult]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,829 INFO L246 CegarLoopResult]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,829 INFO L246 CegarLoopResult]: For program point L1623(line 1623) no Hoare annotation was computed. [2019-11-28 15:46:26,829 INFO L246 CegarLoopResult]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,829 INFO L246 CegarLoopResult]: For program point L1557(line 1557) no Hoare annotation was computed. [2019-11-28 15:46:26,829 INFO L246 CegarLoopResult]: For program point L1491(line 1491) no Hoare annotation was computed. [2019-11-28 15:46:26,829 INFO L246 CegarLoopResult]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,829 INFO L246 CegarLoopResult]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,830 INFO L246 CegarLoopResult]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,830 INFO L246 CegarLoopResult]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,830 INFO L246 CegarLoopResult]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2019-11-28 15:46:26,830 INFO L246 CegarLoopResult]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2019-11-28 15:46:26,830 INFO L246 CegarLoopResult]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,830 INFO L246 CegarLoopResult]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,831 INFO L246 CegarLoopResult]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,831 INFO L246 CegarLoopResult]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,831 INFO L246 CegarLoopResult]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,831 INFO L246 CegarLoopResult]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,831 INFO L246 CegarLoopResult]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,831 INFO L246 CegarLoopResult]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,832 INFO L246 CegarLoopResult]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,832 INFO L246 CegarLoopResult]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,832 INFO L246 CegarLoopResult]: For program point L1626(line 1626) no Hoare annotation was computed. [2019-11-28 15:46:26,832 INFO L246 CegarLoopResult]: For program point L1560(line 1560) no Hoare annotation was computed. [2019-11-28 15:46:26,832 INFO L246 CegarLoopResult]: For program point L1494(line 1494) no Hoare annotation was computed. [2019-11-28 15:46:26,832 INFO L246 CegarLoopResult]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,832 INFO L246 CegarLoopResult]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,832 INFO L246 CegarLoopResult]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,832 INFO L246 CegarLoopResult]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,833 INFO L246 CegarLoopResult]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,833 INFO L246 CegarLoopResult]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,833 INFO L246 CegarLoopResult]: For program point L1629(line 1629) no Hoare annotation was computed. [2019-11-28 15:46:26,833 INFO L246 CegarLoopResult]: For program point L1563(line 1563) no Hoare annotation was computed. [2019-11-28 15:46:26,833 INFO L246 CegarLoopResult]: For program point L1497(line 1497) no Hoare annotation was computed. [2019-11-28 15:46:26,833 INFO L246 CegarLoopResult]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,833 INFO L246 CegarLoopResult]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,833 INFO L246 CegarLoopResult]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,833 INFO L246 CegarLoopResult]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,833 INFO L246 CegarLoopResult]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,834 INFO L246 CegarLoopResult]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,834 INFO L246 CegarLoopResult]: For program point L1632(line 1632) no Hoare annotation was computed. [2019-11-28 15:46:26,834 INFO L246 CegarLoopResult]: For program point L1566(line 1566) no Hoare annotation was computed. [2019-11-28 15:46:26,834 INFO L246 CegarLoopResult]: For program point L1500(line 1500) no Hoare annotation was computed. [2019-11-28 15:46:26,834 INFO L246 CegarLoopResult]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,834 INFO L246 CegarLoopResult]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,834 INFO L246 CegarLoopResult]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,834 INFO L246 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-11-28 15:46:26,834 INFO L246 CegarLoopResult]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,835 INFO L246 CegarLoopResult]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-11-28 15:46:26,835 INFO L246 CegarLoopResult]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,835 INFO L246 CegarLoopResult]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,835 INFO L246 CegarLoopResult]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2019-11-28 15:46:26,835 INFO L246 CegarLoopResult]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2019-11-28 15:46:26,835 INFO L246 CegarLoopResult]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,835 INFO L246 CegarLoopResult]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,835 INFO L246 CegarLoopResult]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,835 INFO L246 CegarLoopResult]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,836 INFO L246 CegarLoopResult]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,836 INFO L246 CegarLoopResult]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,836 INFO L246 CegarLoopResult]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,836 INFO L246 CegarLoopResult]: For program point L710(lines 710 731) no Hoare annotation was computed. [2019-11-28 15:46:26,836 INFO L246 CegarLoopResult]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2019-11-28 15:46:26,836 INFO L246 CegarLoopResult]: For program point L1635(line 1635) no Hoare annotation was computed. [2019-11-28 15:46:26,836 INFO L246 CegarLoopResult]: For program point L1569(line 1569) no Hoare annotation was computed. [2019-11-28 15:46:26,836 INFO L246 CegarLoopResult]: For program point L1503(line 1503) no Hoare annotation was computed. [2019-11-28 15:46:26,836 INFO L246 CegarLoopResult]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,836 INFO L246 CegarLoopResult]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,837 INFO L246 CegarLoopResult]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,837 INFO L246 CegarLoopResult]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,837 INFO L246 CegarLoopResult]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,837 INFO L246 CegarLoopResult]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,837 INFO L246 CegarLoopResult]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,837 INFO L246 CegarLoopResult]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,837 INFO L246 CegarLoopResult]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,837 INFO L246 CegarLoopResult]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,837 INFO L246 CegarLoopResult]: For program point L1638(line 1638) no Hoare annotation was computed. [2019-11-28 15:46:26,838 INFO L246 CegarLoopResult]: For program point L1572(line 1572) no Hoare annotation was computed. [2019-11-28 15:46:26,838 INFO L246 CegarLoopResult]: For program point L1506(line 1506) no Hoare annotation was computed. [2019-11-28 15:46:26,838 INFO L246 CegarLoopResult]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,838 INFO L246 CegarLoopResult]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,838 INFO L246 CegarLoopResult]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,838 INFO L246 CegarLoopResult]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,838 INFO L246 CegarLoopResult]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,838 INFO L246 CegarLoopResult]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,838 INFO L246 CegarLoopResult]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,838 INFO L246 CegarLoopResult]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,839 INFO L246 CegarLoopResult]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,839 INFO L246 CegarLoopResult]: For program point L1641(line 1641) no Hoare annotation was computed. [2019-11-28 15:46:26,839 INFO L246 CegarLoopResult]: For program point L1575(line 1575) no Hoare annotation was computed. [2019-11-28 15:46:26,839 INFO L246 CegarLoopResult]: For program point L1509(line 1509) no Hoare annotation was computed. [2019-11-28 15:46:26,839 INFO L246 CegarLoopResult]: For program point L56(lines 56 71) no Hoare annotation was computed. [2019-11-28 15:46:26,839 INFO L246 CegarLoopResult]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2019-11-28 15:46:26,839 INFO L246 CegarLoopResult]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,839 INFO L246 CegarLoopResult]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,839 INFO L246 CegarLoopResult]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,840 INFO L246 CegarLoopResult]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,840 INFO L246 CegarLoopResult]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,840 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 15:46:26,840 INFO L246 CegarLoopResult]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,840 INFO L246 CegarLoopResult]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,840 INFO L246 CegarLoopResult]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,840 INFO L246 CegarLoopResult]: For program point L1644(line 1644) no Hoare annotation was computed. [2019-11-28 15:46:26,840 INFO L246 CegarLoopResult]: For program point L1578(line 1578) no Hoare annotation was computed. [2019-11-28 15:46:26,840 INFO L246 CegarLoopResult]: For program point L1512(line 1512) no Hoare annotation was computed. [2019-11-28 15:46:26,840 INFO L246 CegarLoopResult]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,841 INFO L246 CegarLoopResult]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,841 INFO L246 CegarLoopResult]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,841 INFO L246 CegarLoopResult]: For program point L918(lines 918 935) no Hoare annotation was computed. [2019-11-28 15:46:26,841 INFO L246 CegarLoopResult]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2019-11-28 15:46:26,841 INFO L246 CegarLoopResult]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,842 INFO L246 CegarLoopResult]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,842 INFO L246 CegarLoopResult]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,842 INFO L246 CegarLoopResult]: For program point L192(lines 192 211) no Hoare annotation was computed. [2019-11-28 15:46:26,842 INFO L246 CegarLoopResult]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,842 INFO L246 CegarLoopResult]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2019-11-28 15:46:26,842 INFO L246 CegarLoopResult]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,842 INFO L246 CegarLoopResult]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2019-11-28 15:46:26,843 INFO L246 CegarLoopResult]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,843 INFO L246 CegarLoopResult]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,843 INFO L246 CegarLoopResult]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2019-11-28 15:46:26,843 INFO L246 CegarLoopResult]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2019-11-28 15:46:26,843 INFO L246 CegarLoopResult]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2019-11-28 15:46:26,843 INFO L246 CegarLoopResult]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2019-11-28 15:46:26,843 INFO L246 CegarLoopResult]: For program point L1647(line 1647) no Hoare annotation was computed. [2019-11-28 15:46:26,844 INFO L246 CegarLoopResult]: For program point L1581(line 1581) no Hoare annotation was computed. [2019-11-28 15:46:26,844 INFO L246 CegarLoopResult]: For program point L1515(line 1515) no Hoare annotation was computed. [2019-11-28 15:46:26,844 INFO L246 CegarLoopResult]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,844 INFO L246 CegarLoopResult]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,844 INFO L246 CegarLoopResult]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,845 INFO L242 CegarLoopResult]: At program point L1649(lines 54 1650) the Hoare annotation is: (let ((.cse8 (= ~a26~0 1)) (.cse9 (<= ~a12~0 0)) (.cse1 (= 1 ~a3~0)) (.cse6 (= 1 ~a6~0)) (.cse10 (not (= 0 ~a3~0))) (.cse7 (= ~a27~0 1)) (.cse5 (<= ~a3~0 0)) (.cse0 (<= ~a6~0 0)) (.cse2 (= 1 ~a5~0)) (.cse3 (= ~a12~0 1)) (.cse4 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse7 .cse2 .cse3 .cse8) (and .cse7 .cse2 .cse6 .cse3 .cse8) (and .cse2 .cse6 .cse3 .cse8 .cse4) (and .cse0 .cse9 .cse2 .cse8 .cse4) (and .cse0 .cse9 .cse7 .cse2) (and .cse7 .cse2 .cse6 .cse3 (= ~a15~0 1)) (and .cse10 .cse0 .cse9 .cse2 .cse4) (and .cse0 .cse2 .cse3 .cse8 .cse4) (and .cse5 .cse9 .cse2 .cse6) (and .cse10 .cse7 .cse2 .cse6 .cse3) (and .cse9 .cse2 .cse6 .cse4) (and .cse9 .cse7 .cse2 .cse6) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and (= ~a10~0 1) .cse2 .cse6 .cse3 (not (= 1 ~a7~0)) .cse4) (and .cse10 .cse0 .cse7 .cse2 .cse3) (and .cse5 .cse0 .cse2 .cse3 .cse4))) [2019-11-28 15:46:26,845 INFO L246 CegarLoopResult]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,845 INFO L246 CegarLoopResult]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,845 INFO L246 CegarLoopResult]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,845 INFO L246 CegarLoopResult]: For program point L1584(line 1584) no Hoare annotation was computed. [2019-11-28 15:46:26,845 INFO L246 CegarLoopResult]: For program point L1518(line 1518) no Hoare annotation was computed. [2019-11-28 15:46:26,846 INFO L246 CegarLoopResult]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,846 INFO L246 CegarLoopResult]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,846 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 15:46:26,846 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1608) no Hoare annotation was computed. [2019-11-28 15:46:26,846 INFO L246 CegarLoopResult]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,846 INFO L249 CegarLoopResult]: At program point L1652(lines 1652 1669) the Hoare annotation is: true [2019-11-28 15:46:26,846 INFO L246 CegarLoopResult]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,847 INFO L246 CegarLoopResult]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,847 INFO L246 CegarLoopResult]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,847 INFO L246 CegarLoopResult]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,847 INFO L246 CegarLoopResult]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,847 INFO L246 CegarLoopResult]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,847 INFO L246 CegarLoopResult]: For program point L1587(line 1587) no Hoare annotation was computed. [2019-11-28 15:46:26,847 INFO L246 CegarLoopResult]: For program point L1521(line 1521) no Hoare annotation was computed. [2019-11-28 15:46:26,847 INFO L246 CegarLoopResult]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,848 INFO L246 CegarLoopResult]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,848 INFO L246 CegarLoopResult]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,848 INFO L246 CegarLoopResult]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,848 INFO L246 CegarLoopResult]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,848 INFO L246 CegarLoopResult]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,848 INFO L246 CegarLoopResult]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,848 INFO L246 CegarLoopResult]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,848 INFO L246 CegarLoopResult]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,849 INFO L246 CegarLoopResult]: For program point L1590(line 1590) no Hoare annotation was computed. [2019-11-28 15:46:26,849 INFO L246 CegarLoopResult]: For program point L1524(line 1524) no Hoare annotation was computed. [2019-11-28 15:46:26,849 INFO L246 CegarLoopResult]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,849 INFO L246 CegarLoopResult]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,849 INFO L246 CegarLoopResult]: For program point L468(lines 468 478) no Hoare annotation was computed. [2019-11-28 15:46:26,849 INFO L246 CegarLoopResult]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2019-11-28 15:46:26,849 INFO L246 CegarLoopResult]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,850 INFO L242 CegarLoopResult]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse8 (= ~a26~0 1)) (.cse9 (<= ~a12~0 0)) (.cse1 (= 1 ~a3~0)) (.cse6 (= 1 ~a6~0)) (.cse10 (not (= 0 ~a3~0))) (.cse7 (= ~a27~0 1)) (.cse5 (<= ~a3~0 0)) (.cse0 (<= ~a6~0 0)) (.cse2 (= 1 ~a5~0)) (.cse3 (= ~a12~0 1)) (.cse4 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse7 .cse2 .cse3 .cse8) (and .cse7 .cse2 .cse6 .cse3 .cse8) (and .cse2 .cse6 .cse3 .cse8 .cse4) (and .cse0 .cse9 .cse2 .cse8 .cse4) (and .cse0 .cse9 .cse7 .cse2) (and .cse7 .cse2 .cse6 .cse3 (= ~a15~0 1)) (and .cse10 .cse0 .cse9 .cse2 .cse4) (and .cse0 .cse2 .cse3 .cse8 .cse4) (and .cse5 .cse9 .cse2 .cse6) (and .cse10 .cse7 .cse2 .cse6 .cse3) (and .cse9 .cse2 .cse6 .cse4) (and .cse9 .cse7 .cse2 .cse6) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and (= ~a10~0 1) .cse2 .cse6 .cse3 (not (= 1 ~a7~0)) .cse4) (and .cse10 .cse0 .cse7 .cse2 .cse3) (and .cse5 .cse0 .cse2 .cse3 .cse4))) [2019-11-28 15:46:26,850 INFO L246 CegarLoopResult]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,850 INFO L246 CegarLoopResult]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,850 INFO L246 CegarLoopResult]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,850 INFO L246 CegarLoopResult]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,850 INFO L246 CegarLoopResult]: For program point L1593(line 1593) no Hoare annotation was computed. [2019-11-28 15:46:26,850 INFO L246 CegarLoopResult]: For program point L1527(line 1527) no Hoare annotation was computed. [2019-11-28 15:46:26,851 INFO L246 CegarLoopResult]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,851 INFO L246 CegarLoopResult]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,851 INFO L246 CegarLoopResult]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,851 INFO L246 CegarLoopResult]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,851 INFO L246 CegarLoopResult]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,851 INFO L246 CegarLoopResult]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,851 INFO L246 CegarLoopResult]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,851 INFO L246 CegarLoopResult]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,852 INFO L246 CegarLoopResult]: For program point L869(lines 869 887) no Hoare annotation was computed. [2019-11-28 15:46:26,852 INFO L246 CegarLoopResult]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2019-11-28 15:46:26,852 INFO L246 CegarLoopResult]: For program point L1596(line 1596) no Hoare annotation was computed. [2019-11-28 15:46:26,852 INFO L246 CegarLoopResult]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,852 INFO L246 CegarLoopResult]: For program point L1530(line 1530) no Hoare annotation was computed. [2019-11-28 15:46:26,852 INFO L246 CegarLoopResult]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,852 INFO L246 CegarLoopResult]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,852 INFO L246 CegarLoopResult]: For program point L1663(line 1663) no Hoare annotation was computed. [2019-11-28 15:46:26,852 INFO L246 CegarLoopResult]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,853 INFO L246 CegarLoopResult]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,853 INFO L246 CegarLoopResult]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,853 INFO L246 CegarLoopResult]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,853 INFO L246 CegarLoopResult]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,853 INFO L246 CegarLoopResult]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2019-11-28 15:46:26,853 INFO L246 CegarLoopResult]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,853 INFO L246 CegarLoopResult]: For program point L1599(line 1599) no Hoare annotation was computed. [2019-11-28 15:46:26,853 INFO L246 CegarLoopResult]: For program point L1533(line 1533) no Hoare annotation was computed. [2019-11-28 15:46:26,854 INFO L246 CegarLoopResult]: For program point L1467(line 1467) no Hoare annotation was computed. [2019-11-28 15:46:26,854 INFO L246 CegarLoopResult]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,854 INFO L246 CegarLoopResult]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,854 INFO L246 CegarLoopResult]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,854 INFO L246 CegarLoopResult]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,854 INFO L246 CegarLoopResult]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,854 INFO L246 CegarLoopResult]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,854 INFO L246 CegarLoopResult]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,854 INFO L246 CegarLoopResult]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,855 INFO L246 CegarLoopResult]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2019-11-28 15:46:26,855 INFO L246 CegarLoopResult]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2019-11-28 15:46:26,855 INFO L246 CegarLoopResult]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,855 INFO L246 CegarLoopResult]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,855 INFO L246 CegarLoopResult]: For program point L1602(line 1602) no Hoare annotation was computed. [2019-11-28 15:46:26,855 INFO L246 CegarLoopResult]: For program point L1536(line 1536) no Hoare annotation was computed. [2019-11-28 15:46:26,855 INFO L246 CegarLoopResult]: For program point L1470(line 1470) no Hoare annotation was computed. [2019-11-28 15:46:26,855 INFO L246 CegarLoopResult]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,856 INFO L246 CegarLoopResult]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,856 INFO L246 CegarLoopResult]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,856 INFO L246 CegarLoopResult]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,856 INFO L246 CegarLoopResult]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,856 INFO L246 CegarLoopResult]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,856 INFO L246 CegarLoopResult]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,856 INFO L246 CegarLoopResult]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,856 INFO L246 CegarLoopResult]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,856 INFO L246 CegarLoopResult]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,857 INFO L246 CegarLoopResult]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,857 INFO L246 CegarLoopResult]: For program point L1605(line 1605) no Hoare annotation was computed. [2019-11-28 15:46:26,857 INFO L246 CegarLoopResult]: For program point L1539(line 1539) no Hoare annotation was computed. [2019-11-28 15:46:26,857 INFO L246 CegarLoopResult]: For program point L1473(line 1473) no Hoare annotation was computed. [2019-11-28 15:46:26,857 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 15:46:26,857 INFO L246 CegarLoopResult]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,857 INFO L246 CegarLoopResult]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,857 INFO L246 CegarLoopResult]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,858 INFO L246 CegarLoopResult]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,858 INFO L246 CegarLoopResult]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,858 INFO L246 CegarLoopResult]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,858 INFO L246 CegarLoopResult]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,858 INFO L246 CegarLoopResult]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2019-11-28 15:46:26,858 INFO L246 CegarLoopResult]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2019-11-28 15:46:26,858 INFO L246 CegarLoopResult]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,858 INFO L246 CegarLoopResult]: For program point L1608(line 1608) no Hoare annotation was computed. [2019-11-28 15:46:26,859 INFO L246 CegarLoopResult]: For program point L1542(line 1542) no Hoare annotation was computed. [2019-11-28 15:46:26,859 INFO L246 CegarLoopResult]: For program point L1476(line 1476) no Hoare annotation was computed. [2019-11-28 15:46:26,859 INFO L246 CegarLoopResult]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,859 INFO L246 CegarLoopResult]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,859 INFO L246 CegarLoopResult]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,859 INFO L246 CegarLoopResult]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,859 INFO L246 CegarLoopResult]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,859 INFO L246 CegarLoopResult]: For program point L685(lines 685 699) no Hoare annotation was computed. [2019-11-28 15:46:26,860 INFO L246 CegarLoopResult]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2019-11-28 15:46:26,860 INFO L246 CegarLoopResult]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,860 INFO L246 CegarLoopResult]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,860 INFO L246 CegarLoopResult]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,860 INFO L246 CegarLoopResult]: For program point L1611(line 1611) no Hoare annotation was computed. [2019-11-28 15:46:26,860 INFO L246 CegarLoopResult]: For program point L1545(line 1545) no Hoare annotation was computed. [2019-11-28 15:46:26,860 INFO L246 CegarLoopResult]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,861 INFO L246 CegarLoopResult]: For program point L1479(line 1479) no Hoare annotation was computed. [2019-11-28 15:46:26,861 INFO L246 CegarLoopResult]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,861 INFO L246 CegarLoopResult]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,861 INFO L246 CegarLoopResult]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,861 INFO L246 CegarLoopResult]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,861 INFO L246 CegarLoopResult]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,861 INFO L246 CegarLoopResult]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,861 INFO L246 CegarLoopResult]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,861 INFO L246 CegarLoopResult]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,862 INFO L246 CegarLoopResult]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,862 INFO L246 CegarLoopResult]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,862 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 15:46:26,862 INFO L246 CegarLoopResult]: For program point L1614(line 1614) no Hoare annotation was computed. [2019-11-28 15:46:26,862 INFO L246 CegarLoopResult]: For program point L1548(line 1548) no Hoare annotation was computed. [2019-11-28 15:46:26,862 INFO L246 CegarLoopResult]: For program point L1482(line 1482) no Hoare annotation was computed. [2019-11-28 15:46:26,862 INFO L246 CegarLoopResult]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,863 INFO L246 CegarLoopResult]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2019-11-28 15:46:26,863 INFO L246 CegarLoopResult]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2019-11-28 15:46:26,863 INFO L246 CegarLoopResult]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,863 INFO L246 CegarLoopResult]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,863 INFO L246 CegarLoopResult]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,863 INFO L246 CegarLoopResult]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,863 INFO L246 CegarLoopResult]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,863 INFO L246 CegarLoopResult]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,863 INFO L246 CegarLoopResult]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,864 INFO L246 CegarLoopResult]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,864 INFO L246 CegarLoopResult]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,864 INFO L246 CegarLoopResult]: For program point L1617(line 1617) no Hoare annotation was computed. [2019-11-28 15:46:26,864 INFO L246 CegarLoopResult]: For program point L1551(line 1551) no Hoare annotation was computed. [2019-11-28 15:46:26,864 INFO L246 CegarLoopResult]: For program point L1485(line 1485) no Hoare annotation was computed. [2019-11-28 15:46:26,864 INFO L246 CegarLoopResult]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,864 INFO L246 CegarLoopResult]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,864 INFO L246 CegarLoopResult]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,864 INFO L246 CegarLoopResult]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,865 INFO L246 CegarLoopResult]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2019-11-28 15:46:26,865 INFO L246 CegarLoopResult]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,865 INFO L246 CegarLoopResult]: For program point L1620(line 1620) no Hoare annotation was computed. [2019-11-28 15:46:26,865 INFO L246 CegarLoopResult]: For program point L1554(line 1554) no Hoare annotation was computed. [2019-11-28 15:46:26,865 INFO L246 CegarLoopResult]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,865 INFO L246 CegarLoopResult]: For program point L1488(line 1488) no Hoare annotation was computed. [2019-11-28 15:46:26,865 INFO L246 CegarLoopResult]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2019-11-28 15:46:26,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:46:26 BoogieIcfgContainer [2019-11-28 15:46:26,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:46:26,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:46:26,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:46:26,905 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:46:26,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:46:02" (3/4) ... [2019-11-28 15:46:26,909 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 15:46:26,965 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 15:46:26,968 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 15:46:27,339 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:46:27,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:46:27,341 INFO L168 Benchmark]: Toolchain (without parser) took 28703.21 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 914.4 MB). Free memory was 951.0 MB in the beginning and 780.7 MB in the end (delta: 170.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2019-11-28 15:46:27,342 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:46:27,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1246.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:46:27,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.42 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:46:27,343 INFO L168 Benchmark]: Boogie Preprocessor took 168.65 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:46:27,343 INFO L168 Benchmark]: RCFGBuilder took 2125.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 830.7 MB in the end (delta: 265.0 MB). Peak memory consumption was 265.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:46:27,344 INFO L168 Benchmark]: TraceAbstraction took 24572.27 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 747.1 MB). Free memory was 830.7 MB in the beginning and 821.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 756.4 MB. Max. memory is 11.5 GB. [2019-11-28 15:46:27,344 INFO L168 Benchmark]: Witness Printer took 435.73 ms. Allocated memory is still 1.9 GB. Free memory was 821.5 MB in the beginning and 780.7 MB in the end (delta: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2019-11-28 15:46:27,346 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1246.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 143.42 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 168.65 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2125.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 830.7 MB in the end (delta: 265.0 MB). Peak memory consumption was 265.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24572.27 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 747.1 MB). Free memory was 830.7 MB in the beginning and 821.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 756.4 MB. Max. memory is 11.5 GB. * Witness Printer took 435.73 ms. Allocated memory is still 1.9 GB. Free memory was 821.5 MB in the beginning and 780.7 MB in the end (delta: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1608]: 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: 1652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a6 <= 0 && 1 == a3) && 1 == a5) && a12 == 1) && a27 <= 0) || ((((a3 <= 0 && 1 == a5) && 1 == a6) && a12 == 1) && a27 <= 0)) || ((((a6 <= 0 && a27 == 1) && 1 == a5) && a12 == 1) && a26 == 1)) || ((((a27 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && a26 == 1)) || ((((1 == a5 && 1 == a6) && a12 == 1) && a26 == 1) && a27 <= 0)) || ((((a6 <= 0 && a12 <= 0) && 1 == a5) && a26 == 1) && a27 <= 0)) || (((a6 <= 0 && a12 <= 0) && a27 == 1) && 1 == a5)) || ((((a27 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && a15 == 1)) || ((((!(0 == a3) && a6 <= 0) && a12 <= 0) && 1 == a5) && a27 <= 0)) || ((((a6 <= 0 && 1 == a5) && a12 == 1) && a26 == 1) && a27 <= 0)) || (((a3 <= 0 && a12 <= 0) && 1 == a5) && 1 == a6)) || ((((!(0 == a3) && a27 == 1) && 1 == a5) && 1 == a6) && a12 == 1)) || (((a12 <= 0 && 1 == a5) && 1 == a6) && a27 <= 0)) || (((a12 <= 0 && a27 == 1) && 1 == a5) && 1 == a6)) || ((((1 == a3 && 1 == a5) && 1 == a6) && a12 == 1) && a27 <= 0)) || (((((a10 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && !(1 == a7)) && a27 <= 0)) || ((((!(0 == a3) && a6 <= 0) && a27 == 1) && 1 == a5) && a12 == 1)) || ((((a3 <= 0 && a6 <= 0) && 1 == a5) && a12 == 1) && a27 <= 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a6 <= 0 && 1 == a3) && 1 == a5) && a12 == 1) && a27 <= 0) || ((((a3 <= 0 && 1 == a5) && 1 == a6) && a12 == 1) && a27 <= 0)) || ((((a6 <= 0 && a27 == 1) && 1 == a5) && a12 == 1) && a26 == 1)) || ((((a27 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && a26 == 1)) || ((((1 == a5 && 1 == a6) && a12 == 1) && a26 == 1) && a27 <= 0)) || ((((a6 <= 0 && a12 <= 0) && 1 == a5) && a26 == 1) && a27 <= 0)) || (((a6 <= 0 && a12 <= 0) && a27 == 1) && 1 == a5)) || ((((a27 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && a15 == 1)) || ((((!(0 == a3) && a6 <= 0) && a12 <= 0) && 1 == a5) && a27 <= 0)) || ((((a6 <= 0 && 1 == a5) && a12 == 1) && a26 == 1) && a27 <= 0)) || (((a3 <= 0 && a12 <= 0) && 1 == a5) && 1 == a6)) || ((((!(0 == a3) && a27 == 1) && 1 == a5) && 1 == a6) && a12 == 1)) || (((a12 <= 0 && 1 == a5) && 1 == a6) && a27 <= 0)) || (((a12 <= 0 && a27 == 1) && 1 == a5) && 1 == a6)) || ((((1 == a3 && 1 == a5) && 1 == a6) && a12 == 1) && a27 <= 0)) || (((((a10 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && !(1 == a7)) && a27 <= 0)) || ((((!(0 == a3) && a6 <= 0) && a27 == 1) && 1 == a5) && a12 == 1)) || ((((a3 <= 0 && a6 <= 0) && 1 == a5) && a12 == 1) && a27 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Result: SAFE, OverallTime: 23.3s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 16.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, HoareTripleCheckerStatistics: 2294 SDtfs, 3303 SDslu, 295 SDs, 0 SdLazy, 8498 SolverSat, 1746 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 853 GetRequests, 823 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34625occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 704 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 352 NumberOfFragments, 569 HoareAnnotationTreeSize, 3 FomulaSimplifications, 7204 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 354 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 3618 NumberOfCodeBlocks, 3618 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3603 ConstructedInterpolants, 0 QuantifiedInterpolants, 1933145 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1507 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 1099/1113 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...